class TestFor
{
public static void main(String[] args) {
//int i=0;
for(int i=0;i<4;i++){
System.out.println("Hello World!");
}
int j=1;
for(System.out.print(‘a‘);j<3;System.out.print(‘b‘),j++){
System.out.print(‘c‘);
}
}
}原文：http://9815936.blog.51cto.com/9805936/1600419