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  • 字符串的运算

    设计思想

    先以字符串的形式接收数据,然后强转成整形进行运算

    程序流程图

    程序源码

    import java.util.Scanner;
    public class Addition {
    public static void main( String args[] )
    {
    Scanner scanner=new Scanner (System.in);
    String firstNumber, // first string entered by user
    secondNumber; // second string entered by user
    int number1, // first number to add
    number2, // second number to add
    sum; // sum of number1 and number2
    // read in first number from user as a string
    System.out.println("请输入第一个数:");
    firstNumber=scanner.next();
    // read in second number from user as a string
    System.out.println("请输入第二个数:");
    secondNumber =scanner.next();

    // convert numbers from type String to type int
    number1 = Integer.parseInt( firstNumber );
    number2 = Integer.parseInt( secondNumber );

    // add the numbers
    sum = number1 + number2;
    System.out.println("和为:"+sum);
    System.exit( 0 ); // terminate the program
    }
    }

    运行结果

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  • 原文地址:https://www.cnblogs.com/wei-jing/p/7636231.html
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