if-else语句 if-else-if ladder if-else-if梯子 nested if statement 嵌套if语句 (if Statement) The if statement is a single conditional based statement that executes only if the provided condition is true. if语句是一个基于条件的语句,仅在提供的条件为true时才执行。 If Statement Syntax: 如果语句语...
Theifandelseare reservedkeywordsin Java, and cannot be used as other identifiers. 1. Syntax A simpleif-elsestatement is written as follows. It starts with a mandatoryifstatement, followed by an optionalelsepart. if(condition){//statement-1}else{//statement-2} Theconditionmust be abooleanexpre...
对于 多个 if - else 语句,程序执行时是从第一个 if - else 开始判断的,只有当执行完第一个 if - else ,程序才会继续往下执行第二个,第三个,第四个 if - else 语句,而且每个 if - else 语句之间是独立的,互不干扰的,你执行你的 if - else ,我执行我的 if - else ; 在Java中 if-else 与 if-...
1、先执行第一个 if - else 语句中的 if ( test11 > 1 ) ,当表达式 test11 > 1 为 true 时,则执行其 { } 里面的若干语句,在这里是执行三条语句;当执行完 { } 中的三条语句后,就结束第一个 if - else 语句了 , else {} 部分是不会再执行了,即: else{ int test31 = 100; test11 = te...
Use the else if statement to specify a new condition if the first condition is false.SyntaxGet your own Java Server if (condition1) { // block of code to be executed if condition1 is true } else if (condition2) { // block of code to be executed if the condition1 is false and ...
太low,真正的Java不需要类型,不需要类,不需要if else,不需要命名方法,什么都不需要,便是Java的...
Java 语法 索引 --- 条件语句(If Else,Switch) if(x < 1) System.out.print(x+ " < 1");elseif(x > 1) System.out.print(x+ " > 1");elseSystem.out.print(x+ " == 1"); Switch switch(y) {case0: System.out.print(y + " is 0");break;case1: System.out.print(y + " is ...
Python if…elif…else Statement Theif...elsestatement is used to execute a block of code among two alternatives. However, if we need to make a choice between more than two alternatives, we use theif...elif...elsestatement. Syntax
class IfElseDemo { public static void main(String[] args) { int testscore = 76; char grade; if (testscore >= 90) { grade = 'A'; } else if (testscore >= 80) { grade = 'B'; } else if (testscore >= 70) { grade = 'C'; ...
> v-if 条件