Question

用JAVA怎么打印矩行阵： 11 12 13 14 21 22 23 24 31 32 33 34 41 42 43 44

Answer 1

public class ss {
//用JAVA怎么打印矩行阵： 11 12 13 14 21 22 23 24 31 32 33 34 41 42 43 44

public static void main(String[] args) {
int i,j;
int a=11,b=21,c=31,d=41;
for(i=0;i<=3;i++){
for(j=0;j<=3;j++){
if(i==0){
System.out.print(a+" ");
a++;
}
if(i==1){
System.out.print(b+" ");
b++;
}
if(i==2){
System.out.print(c+" ");
c++;
}
if(i==3){
System.out.print(d+" ");
d++;
}

}
System.out.println("");
}
}

}
不懂得可以追问啦

Answer 2

public static void main(String[] args) {
for(int i=1;i<=4;i++){
for(int j=1;j<=4;j++){
int a=i*10+j;
if(j==4){
System.out.println(a);
}else{
System.out.print(a+"\t");
}
}
}
}

Answer 3

楼上正解