publicclassNestedIfExample{publicstaticvoidmain(Stringargs[]){intnum=70;if(num<100){System.out.println("number is less than 100");if(num>50){System.out.println("number is greater than 50");}}}} Output: numberis
In this example, the condition number > 5 evaluates to true because number is 10. Therefore, the message "The number is greater than 5." is printed to the console.Example 2: if-else Statementpublic class IfElseExample { public static void main(String[] args) { int number = 3; if (...
下面我们以一个简单的登录验证为例来演示多条件判断的应用: importjava.util.Scanner;publicclassLoginExample{publicstaticvoidmain(String[]args){Scannerscanner=newScanner(System.in);System.out.println("请输入用户名:");Stringusername=scanner.next();System.out.println("请输入密码:");Stringpassword=scanner....
What if you want to execute some code if the if condition evaluates to false, that’s when you need if then else in JAVA. The else statement says to execute the single statement or code of block if the if statement evaluates to false. Example of if then else: Lets a create a simple...
在Java中,if语句用于测试条件。 条件与返回true的语句匹配,否则返回false。 有四种类型的If语句: For example, if we want to create a program totest positive integers 例如,如果我们要创建一个程序来测试正整数,则必须测试该整数是否大于零。 In this scenario, if statement is helpful. ...
This example shows how you can use if..else to "open a door" if the user enters the correct code:ExampleGet your own Java Server int doorCode = 1337; if (doorCode == 1337) { System.out.println("Correct code. The door is now open."); } else { System.out.println("Wrong code....
Here is a simple Java if example: boolean isValid = true; if ( isValid ) { System.out.println("it is valid"); } else { System.out.println("it is not valid"); } The if statement in this example tests the boolean variable isValid and based on its value (either true or false...
2. The If-else Example Let’s see an example of anif-elsestatement. In the following program, we check whether the employee’s age is greater than 18. On both bases, we print that the employee is a minor or an adult. intage=employee.getAge();if(age>18){System.out.println("Employe...
SyntaxGet your own Java Server if (condition) { // block of code to be executed if the condition is true } Note that if is in lowercase letters. Uppercase letters (If or IF) will generate an error.In the example below, we test two values to find out if 20 is greater than 18. ...
{this.currentState = newState; } }publicclassStatePatternExample{publicstaticvoidmain(String[] args){Orderorder=newOrder(newPendingPaymentState()); order.handlePayment(); order.handleShipping(); order.setState(newPaidState()); order.handlePayment(); order.handleShipping(); order.setState(new...