一个简单的示例,供参考
import java.util.Scanner;
public class Test {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("请输入一个正整数:");
int n = scanner.nextInt();
scanner.close();
int line = 1; // 行数
int count = 0; // 当前行的数字的数量
for (int i = 1; i <= n; i++) {
System.out.print(i + "\t");
if (++count == line) { // 换行
System.out.println();
line++;
count = 0;
}
}
}
}
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