case 2:System.out.print("two,");

default：System.out.println("default");

}

}

}

4.public class MultiplyList{

public static void main(String[]args){

String output="";

blabel:for(int row=1;row<=9;row++){

for(int col=row;col<=9;col++){

if(row<8)continue blabel;

output+=col+"*"+row+"="+(row*col)+"";

}

output+="\n";

}

System.out.println(output);

System.exit(0);

}

}

5.public class Koo{

public static void main(String args[]){

int i=0,sum=0;

int[]anArray=new int[5];

while(i

anArray[i]=5-i;

System.out.print(anArray[i]+“”);

i++;

}

System.out.println();

}

}

6.public class CatchTest{

public static void main(String args[]){

int[]x={0,1,2,3};

for(int i=0;i<3;i+=2){

try{

System.out.println(x[i+2]/x[i]+x[i+1]);

}catch(ArithmeticException e){

System.out.println(“error1”);

}catch(Exception e){