Java Program to Swap Two Numbers Using Temporary Variable Java class Swap { public static void main(String[] args) { int a = 11, b = 22; System.out.println("Before swapping the numbers:"); System.out.println("First number = " + a); System.out.println("Second number = " + b)...
java import java.util.Scanner; public class SwapNumbers { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int num1, num2; System.out.print("Enter the first number: "); num1 = scanner.nextInt(); System.out.print("Enter the second number: "); num...
2. 也可以通过重新定义个类(在JAVA中我们可以通过使用int的包装类---Integer,然后将其作为值的引用传到函数中,但这个Integer包装类也不允许你来改变它的数据域;但这不防碍我们用自己的包装类,比如说下面实现的MyInteger): 1. //MyInteger: 与Integer有些类似,但是其对象可以变值 2. class MyInteger { 3. priva...
// Java program to swap bytes of// an integer numberimportjava.util.Scanner;publicclassMain{publicstaticvoidmain(String[]args){intnum=0x4567;System.out.printf("Number before swapping : %04X\n",num);num=((num<<8)&0xff00)|((num>>8)&0x00ff);System.out.printf("Number after swapping :...
Java program to swap two numbers using XOR operatorThe following is an example of swapping two numbers using XOR operatorimport java.util.Scanner; public class ab31_SwapTwoNumberUsingXOR { public static void main(String args[]) { int a, b; Scanner sc = new Scanner(System.in); System.out...
--Before swap-- First number = 1.2 Second number = 2.45 --After swap-- First number = 2.45 Second number = 1.2 In the above program, two numbers 1.20f and 2.45f which are to be swapped are stored in variables: first and second respectively. The variables are printed before swapping usi...
// Java program to swap 1st and 2nd bits// of an integer numberimportjava.util.Scanner;publicclassMain{publicstaticvoidmain(String[]args){bytedata=10;bytebit_1=0;bytebit_2=0;bytexor_of_bit=0;;//Get 1st bit from databit_1=(byte)((data>>1)&1);//Get 2nd bit from databit_2...
The objects in Java can be swapped using the user-defined function combined with “Arithmetic Operators” or the “Wrapper” class and the “Assignment Operator”.
java中的Wrapper如何使用in java中swap用法 最近在看jdk7中java.util.concurrent下面的源码中,发现许多类中使用了Unsafe类中的方法来保证并发的安全性,而java 7 api中并没有这个类的相关介绍,在网上查了许多资料,这个网站详细的讲解了Unsafe的相关用法,而下面是结合网站中的介绍和具体的AtomicInteger类来讲解一下其...
members.For example, if the class Car has only one integer attribute say "no" (car number), ...