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Light-City
2020-04-06 00:57:02 +08:00
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26
practical_exercises/10_day_practice/day9/readme.md Normal file
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# <20>쳣<EFBFBD><ECB3A3><EFBFBD><EFBFBD>
1.catch<63><68><EFBFBD><EFBFBD><EFBFBD>쳣ʱ<ECB3A3><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD>Ĭ<EFBFBD><C4AC>ת<EFBFBD><D7AA><EFBFBD><EFBFBD>
2.<2E><><EFBFBD><EFBFBD><EFBFBD>쳣<EFBFBD>ķ<EFBFBD><C4B7><EFBFBD>
- <20><>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>в<EFBFBD><D0B2><EFBFBD><EFBFBD>κ<EFBFBD><CEBA>쳣<EFBFBD><ECB3A3><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׳<EFBFBD><D7B3>κ<EFBFBD><CEBA>쳣<EFBFBD><ECB3A3><EFBFBD><EFBFBD><EFBFBD>磺
```c++
int f(int,char); //<2F><><EFBFBD><EFBFBD>f<EFBFBD><66><EFBFBD><EFBFBD><EFBFBD>׳<EFBFBD><D7B3>κ<EFBFBD><CEBA>쳣
```
- <20>ں<EFBFBD><DABA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĺ<EFBFBD><C4BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>throw<6F><77><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׳<EFBFBD><D7B3><EFBFBD><EFBFBD>쳣<EFBFBD><ECB3A3><EFBFBD>͡<EFBFBD><CDA1><EFBFBD><EFBFBD>磺
```c++
int g(int,char) throw(int,char); //ֻ<><D6BB><EFBFBD><EFBFBD><EFBFBD>׳<EFBFBD>int<6E><74>char<61>쳣<EFBFBD><ECB3A3>
```
- ָ<><D6B8>throw<6F><77><EFBFBD>Ʊ<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD><CEBA><EFBFBD><EFBFBD>͵Ŀձ<C4BF><D5B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׳<EFBFBD><D7B3>κ<EFBFBD><CEBA>쳣<EFBFBD><ECB3A3><EFBFBD>磺
```c++
int h(int,char) throw();//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׳<EFBFBD><D7B3>κ<EFBFBD><CEBA>쳣
```
3.<2E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>쳣
<EFBFBD>ڶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>£<EFBFBD>catch<EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD>ض<EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><EFBFBD>쳣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><EFBFBD><EFBFBD>в<EFBFBD><EFBFBD><EFBFBD>ȫ<EFBFBD><EFBFBD><EFBFBD>쳣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD>£<EFBFBD>
```c++
catch(<28><>) {
<20><><EFBFBD><EFBFBD> //<2F>쳣<EFBFBD><ECB3A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}
```
4.<2E>ٴ<EFBFBD><D9B4>׳<EFBFBD><D7B3>쳣
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>catch<EFBFBD><EFBFBD><EFBFBD>޷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>쳣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Խ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>쳣<EFBFBD>ٴ<EFBFBD><EFBFBD>׳<EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>쳣<EFBFBD>ܹ<EFBFBD><EFBFBD><EFBFBD>ǡ<EFBFBD><EFBFBD><EFBFBD>ĵط<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٴ<EFBFBD><EFBFBD>׳<EFBFBD><EFBFBD><EFBFBD><EFBFBD>쳣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٱ<EFBFBD>ͬһ<EFBFBD><EFBFBD>catch<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݸ<EFBFBD><EFBFBD>ⲿ<EFBFBD><EFBFBD>catch<EFBFBD>鴦<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD>catch<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٴ<EFBFBD><EFBFBD>׳<EFBFBD>ͬһ<EFBFBD>쳣<EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD><EFBFBD>ڸ<EFBFBD>catch<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>κβ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>throw<EFBFBD><EFBFBD><EFBFBD>伴<EFBFBD>ɡ<EFBFBD>
5.<2E>쳣<EFBFBD><ECB3A3>Ƕ<EFBFBD>׵<EFBFBD><D7B5><EFBFBD>
try<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƕ<EFBFBD>ף<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>try<EFBFBD><EFBFBD><EFBFBD>п<EFBFBD><EFBFBD>԰<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>try<EFBFBD>飬<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƕ<EFBFBD>׿<EFBFBD><EFBFBD><EFBFBD><EFBFBD>γ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>쳣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

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practical_exercises/10_day_practice/day9/异常例子/1.cpp Normal file
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//Eg10-1.cpp
#include<iostream>
using namespace std;
int main(){
cout<<"1--befroe try block..."<<endl;
try{
cout<<"2--Inside try block..."<<endl;
throw 10;
cout<<"3--After throw ...."<<endl;
}
catch(int i) {
cout<<"4--In catch block1 ... exception..errcode is.."<<i<<endl;
}
catch(char * s) {
cout<<"5--In catch block2 ... exception..errcode is.."<<s<<endl;
}
cout<<"6--After Catch...";
system("pause");
}

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practical_exercises/10_day_practice/day9/异常例子/10.cpp Normal file
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//Eg10-11.cpp
#include <iostream>
using namespace std;
const int MAX=3;
class Full{
int a;
public:
Full(int i):a(i){}
int getValue(){return a;}
};
class Empty{};
class Stack{
private:
int s[MAX];
int top;
public:
Stack(){top=-1;}
void push(int a){
if(top>=MAX-1)
throw Full(a);
s[++top]=a;
}
int pop(){
if(top<0)
throw Empty();
return s[top--];
}
};
int main(){
Stack s;
try{
s.push(10);
s.push(20);
s.push(30);
s.push(40);
}
catch(Full e){
cout<<"Exception: Stack Full..."<<endl;
cout<<"The value not push in stack:"<<e.getValue()<<endl;
}
system("pause");
}

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practical_exercises/10_day_practice/day9/异常例子/2.cpp Normal file
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//Eg10-2.cpp
#include<iostream>
using namespace std;
int main(){
cout<<"1--befroe try block..."<<endl;
try{
cout<<"2--Inside try block..."<<endl;
throw 10;
cout<<"3--After throw ...."<<endl;
}
catch(double i) { //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>10.1<EFBFBD><EFBFBD>ͬ
cout<<"4--In catch block1 .. an int type is.."<<i<<endl;
}
cout<<"5--After Catch...";
system("pause");
return 0;
}

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practical_exercises/10_day_practice/day9/异常例子/3.cpp Normal file
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#include<iostream>
using namespace std;
void temperature(int t)
{
try{
if(t==100) throw "<EFBFBD>е㣡";
else if(t==0) throw "<EFBFBD><EFBFBD><EFBFBD>㣡";
else cout<<"the temperature is OK..."<<endl;
}
catch(int x){cout<<"temperatore="<<x<<endl;}
catch(char const*s){cout<<s<<endl;}
}
int main(){
temperature(0); //L1
temperature(10); //L2
temperature(100); //L3
system("pause");
return 0;
}

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practical_exercises/10_day_practice/day9/异常例子/4.cpp Normal file
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#include<iostream>
using namespace std;
void temperature(int t)
{
if(t==100) throw "<EFBFBD>е㣡";
else if(t==0) throw "<EFBFBD><EFBFBD><EFBFBD>㣡";
else{cout<<"temperatore="<<t<<endl;}
}
int main(){
try{
temperature(0); //L1
temperature(10); //L2
temperature(100); //L3
}
catch(char const*s){cout<<s<<endl;}
system("pause");
return 0;
}

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practical_exercises/10_day_practice/day9/异常例子/5.cpp Normal file
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//Eg10-5.cpp
#include<iostream>
using namespace std;
void handler(int n)throw(int,char,double){
if(n==1) throw n;
if(n==2) throw 'x';
if(n==3) throw 1.1;
}
int main(){
cout<<"Before handler..."<<endl;
try{
handler(1);
}
catch(int i){ cout<<"catch an integer..."<<endl;}
catch(char c){cout<<"catch an char..."<<endl;}
catch(double d){cout<<"catch an double..."<<endl;}
system("pause");
}

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practical_exercises/10_day_practice/day9/异常例子/6.cpp Normal file
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//Eg10-6.cpp
#include<iostream>
using namespace std;
void Errhandler(int n)throw(){
try{
if(n==1) throw n;
if(n==2) throw "dx";
if(n==3) throw 1.1;
}
catch(...){cout<<"catch an exception..."<<endl;}
}
int main(){
Errhandler(1);
Errhandler(2);
Errhandler(3);
system("pause");
return 0;
}

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practical_exercises/10_day_practice/day9/异常例子/7-1.cpp Normal file
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//Eg10-9.cpp
#include<iostream>
using namespace std;
class A{
int a;
public:
A(int i=0):a(i){}
~A(){cout<<"in A destructor..."<<endl;}
};
class B{
A obj[3];
double *pb[10];
public:
B(int k){
cout<<"int B constructor..."<<endl;
for (int i=0;i<10;i++){
pb[i]=new double[20000000];
if(pb[i]==0)
throw i;
else
cout<<"Allocated 20000000 doubles in pb["<<i<<"]"<<endl;
}
}
};
int main(){
try{
B b(2);
}
catch(int e){
cout<<"catch an exception when allocated pb["<<e<<"]"<<endl;
}
system("pause");
}

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practical_exercises/10_day_practice/day9/异常例子/7.cpp Normal file
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//Eg10-7.cpp
#include<iostream>
using namespace std;
//<2F>ڲ<EFBFBD><DAB2>ٴ<EFBFBD>throw<6F>쳣<EFBFBD><ECB3A3>ʱ<EFBFBD>򣬺<EFBFBD><F2A3ACBA><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA>throw()
void Errhandler(int n)
{
try{
if(n==1) throw n;
cout<<"all is ok..."<<endl;
}
catch(int n){
cout<<"catch an int exception inside..."<<n<<endl;
throw n; //<2F>ٴ<EFBFBD><D9B4>׳<EFBFBD><D7B3><EFBFBD>catch<63><68><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>쳣
}
}
int main(){
try{
Errhandler(1);
}
catch(int x){ cout<<"catch int an exception in main..."<<x<<endl; }
cout<<"....End..."<<endl;
system("pause");
return 0;
}

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practical_exercises/10_day_practice/day9/异常例子/8.cpp Normal file
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//Eg10-10.cpp
#include <iostream>
using namespace std;
const int MAX=3;
class Full{}; //L1 <20><>ջ<EFBFBD><D5BB>ʱ<EFBFBD>׳<EFBFBD><D7B3><EFBFBD><EFBFBD>쳣<EFBFBD><ECB3A3>
class Empty{}; //L2 <20><>ջ<EFBFBD><D5BB>ʱ<EFBFBD>׳<EFBFBD><D7B3><EFBFBD><EFBFBD>쳣<EFBFBD><ECB3A3>
class Stack{
private:
int s[MAX];
int top;
public:
void push(int a);
int pop();
Stack(){top=-1;}
};
void Stack::push(int a){
if(top>=MAX-1)
throw Full();
s[++top]=a;
}
int Stack::pop(){
if(top<0) throw Empty();
return s[top--];
}
int main(){
Stack s;
try{
s.push(10); s.push(20); s.push(30);
//s.push(40); //L5 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><D5BB><EFBFBD>쳣
cout<<"stack(0)= "<<s.pop()<<endl;
cout<<"stack(1)= "<<s.pop()<<endl;
cout<<"stack(2)= "<<s.pop()<<endl;
cout<<"stack(3)= "<<s.pop()<<endl; //L6
}
catch(Full){ cout<<"Exception: Stack Full"<<endl; }
catch(Empty){ cout<<"Exception: Stack Empty"<<endl; }
system("pause");
return 0;
}

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practical_exercises/10_day_practice/day9/异常例子/9.cpp Normal file
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//Eg10-12.cpp
#include<iostream>
using namespace std;
class BasicException{
public:
char* Where(){return "BasicException...";}
};
class FileSysException:public BasicException{
public:
char *Where(){return "FileSysException...";}
};
class FileNotFound:public FileSysException{
public:
char *Where(){return "FileNotFound...";}
};
class DiskNotFound:public FileSysException{
public:
char *Where(){return "DiskNotFound...";}
};
void main(){
try{
..... //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
throw FileSysException();
}
catch(DiskNotFound p){cout<<p.Where()<<endl;}
catch(FileNotFound p){cout<<p.Where()<<endl;}
catch(FileSysException p){cout<<p.Where()<<endl;}
catch(BasicException p){cout<<p.Where()<<endl;}
try{
..... //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
throw DiskNotFound();
}
catch(BasicException p){cout<<p.Where()<<endl;}
catch(FileSysException p){cout<<p.Where()<<endl;}
catch(DiskNotFound p){cout<<p.Where()<<endl;}
catch(FileNotFound p){cout<<p.Where()<<endl;}
}