代码如下:
public class PrintMultiplication{
public static void main(String[] args){
for(int i = 1; i<=9; i++){
for(int j = 1; j<=i; j++){
System.out.print(j+"*"+i+"="+j*i+" ");
}
System.out.println();
}
}
}
打印后会出现未对齐的情况:
将System.out.print(j+""+i+"="+ji+" ");中的空格改为\t,\为转义字符,t代表tab键:
代码改进:
import java.util.Scanner;
public class PrintMultiplication{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
print99(n);
}
public static void print99(int n){
for(int i = 1; i<=n; i++){
for(int j = 1; j<=i; j++){
System.out.print(j+"*"+i+"="+j*i+"\t");
}
System.out.println();
}
}
}
实现方法调用,实现手动输入截止数字: