if else嵌套

package com.hqyj.javacode.Ifelse;
// else if 
public class TestEleseIf {
    public static void main(String[] args) {
        // 给分数评等级
        int a=90;
        if (a>90)
        {
            System.out.println("A");
        } else if(a>80){
            System.out.println("B");
        } else if ( a>60){
            System.out.println("C");
        } else System.out.println( "不及格");
    }
}