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打印菱形

small_Sun 2022-07-18 阅读 43



打印菱形_i++



这是一道简单的打印图形题


public class Test1 {

public static void main(String[] args) {
for (int i = 1; i <= 4; i++) {//通过循环打印上半区
for (int k = 1; k <= 4-i; k++) {//通过循环打印空格
System.out.print(" ");
}
for (int j = 1; j <= 2*i-1; j++) {//通过循环打印*
System.out.print("*");
}
System.out.println();//换行
}
for (int i = 3; i >0; i--) {//通过循环打印下半区
for (int k = 1; k <= 4-i; k++) {
System.out.print(" ");
}
for (int j = 2*i-1; j >0; j--) {
System.out.print("*");
}
System.out.println();
}
}

}




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