package practiceGO;
/*
* A
* BB
* CCC
* DDDD
* EEEEE
*/
public class Cto {
public static void main(String[] args) {
for(int i=0; i<5; i++){
for(int j=0; j<(i+1); j++){
System.out.print((char)('A'+i));
}
System.out.println();
}
}
}
运行结果:
A
BB
CCC
DDDD
EEEEE