我的本意是要输出8行这样的图形(两行星之间空一行),也就是奇数行*顶格,偶数行*向后退一个格,可结果却是只输出一行*,下面的都是空行
* * * * * * * *
* * * * * * * *
import javax.swing.*;
public class Print4
{
public static void main(String[] args)
{
int i = 1, j = 1;
while(i <= 8)
{
while(j <= 8)
{
if(i % 2 != 0)
{
System.out.print("*");
System.out.print(" ");
}
else
{
System.out.print(" ");
System.out.print("*");
} j++;
}
System.out.println();
i++;
}
System.exit(0);
}
}
* * * * * * * *
* * * * * * * *
import javax.swing.*;
public class Print4
{
public static void main(String[] args)
{
int i = 1, j = 1;
while(i <= 8)
{
while(j <= 8)
{
if(i % 2 != 0)
{
System.out.print("*");
System.out.print(" ");
}
else
{
System.out.print(" ");
System.out.print("*");
} j++;
}
System.out.println();
i++;
}
System.exit(0);
}
}
前面加上 j=1;将j重新赋值一次
这样就行
public static void main(String[] args) {
int i = 1;
while (i <= 8) {
int j=1;
while (j <= 8) {
if (i % 2 != 0) {
System.out.print("*");
System.out.print(" ");
} else {
System.out.print(" ");
System.out.print("*");
}
j++; }
System.out.println();
i++;
}
System.exit(0);
}
{
public static void main(String [] args)
{
int x;
for(int i=0;i<8;i++)
{
x=i%2;
if(x==0){
int j=0;
while(j<8){
System.out.print("* ");
j++;
}
System.out.println();
}
else{
int y=0;
System.out.print(" ");
while(y<8){
System.out.print("* ");
y++;
}
System.out.println();
}
}
}
}