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  • java ++前缀

    public class Sample {
    
        public static void main(String[] args) {
            int num1 = 10, num2 = 20;
            int num3 = 5, num4 = 7;
            ++num1;
            System.out.println("now num1: " + num1);
            System.out.println("now num2: " + (++num2)); // first the num2 gets incremented
            System.out.println("now num3: " + (num3++));
            num4++;
            System.out.println("now num4: " + (num4));
        }
    }
    
    
    
    OUTPUT:
    now num1: 11
    now num2: 21
    now num3: 5
    now num4: 8

    demo2

    public class Sample {
    
        public static void main(String[] args) {
            int num = 10;
            System.out.println("now num: " + (num++)); // this is post increment
            System.out.println("now num: " + num);
        }
    }
    
    
    
    OUTPUT:
    now num: 10
    now num: 11
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  • 原文地址:https://www.cnblogs.com/sea-stream/p/12065994.html
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