JAVA 回答

class testReload{
testReload(){
System.out.println("show something");
}
testReload(int i ){
this("1");
System.out.println("show integer");

}
testReload(String s ){
this();
System.out.println("show string");

}
public static void main(String args[]){
System.out.println("show begin");
testReload test1 = new testReload(1);
}
}

2.
class q {
public static void main(String args[]) {
new q();
}
q() {
divide(4,2);
divide(4,0);
}
public void divide(int a,int b) {
try{
int c=a/b;
System.out.println(c);
}
catch(Exception e){
System.out.println("error");
}
finally{
System.out.println("done");
}
}
}
3.
public class BreakAndContinue{