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  • java if 条件语句

    import java.util.Scanner;
    
    public class Sample {
    
        public static void main(String[] args) {
            int num;
            Scanner ip = new Scanner(System.in);
            System.out.print("Enter any number: ");
            num = ip.nextInt();
            if (num > 0) {
                System.out.println("Positive number");
            }
            if (num < 0) {
                System.out.println("Negative number");
            }
            if (num == 0) {
                System.out.println("Zero");
            }
            ip.close();
        }
    }
    
    
    
    OUTPUT:
    Enter any number: -25
    Negative number

     demo2

    import java.util.Scanner;
    
    public class Sample {
    
        public static void main(String[] args) {
            int num;
            Scanner ip = new Scanner(System.in);
            System.out.print("Enter any number: ");
            num = ip.nextInt();
            if (num > 0)
                System.out.println("Positive number");
            else if (num < 0)
                System.out.println("Negative number");
            else
                System.out.println("Zero");
            ip.close();
        }
    }
    
    
    
    OUTPUT:
    Enter any number: 0
    Zero

    demo3

    import java.util.Scanner;
    
    public class Sample {
    
        public static void main(String[] args) {
            int num;
            Scanner ip = new Scanner(System.in);
            System.out.print("Enter any number: ");
            num = ip.nextInt();
            if (num > 0) {
                System.out.println("Positive number");
                if (num % 2 == 0)
                    System.out.println("Even number");
                else
                    System.out.println("Odd number");
            } else if (num < 0) {
                System.out.println("Negative number");
                if (num % 2 == 0)
                    System.out.println("Even number");
                else
                    System.out.println("Odd number");
            } else
                System.out.println("Zero");
            ip.close();
        }
    }
    
    
    
    OUTPUT:
    Enter any number: -24
    Negative number
    Even number
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  • 原文地址:https://www.cnblogs.com/sea-stream/p/12066130.html
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