(if-else-if ladder Statement) In Java, the if-else-if ladder statement is used for testing conditions. It is used for testing one condition from multiple statements. 在Java中,if-else-if阶梯语句用于测试条件。 它用于测试来自多个语句的一个条件。 When we have multiple conditions to execute then...
Summary Use Javaif-elsestatement to execute a block of code if a condition istrueor another block of code if the condition isfalse. Avoid nesting too manyif-elsestatements to make your code more readable and easier to understand.
首先,If-Else很容易在这里被开关取代。但是,我们可以通过完全删除else来进一步简化此代码。 > If statements with fast return 如果不使用else,则我们将剩下干净的可读代码。请注意,我也将样式更改为快速返回而不是单返回语句-如果已经找到正确的值,继续测试一个值根本没有意义。 3. 前提条件检查 通常,我发现,如果...
The if-then and if-then-else Statements Theif-thenStatement Theif-thenstatement is the most basic of all the control flow statements. It tells your program to execute a certain section of codeonly ifa particular test evaluates totrue. For example, theBicycleclass could allow the brakes to de...
Else statements当if statement内的条件返回或等于false时执行。 我没有看到你的代码中有任何错误,只是有些人看不懂。 (还有你的if statement旁边挂着的;,不知道是谁教你做that.) 以下是更具可读性的观点: if (mercuryImage.isDisplayed()) { System.out.println("Image is displayed."); //Get image text...
Java If-else Theif-else statementin Java is the most basic of all theflow control statements. Anif-elsestatement tells the program to execute a certain block only if a particular test evaluates totrue, else execute the alternate block if the condition isfalse....
In this example, the output would be “User is 18 or younger.” The point is that no matter what the user’s age is, the program will react and output a string value either way. You can learn more about using If statements in theIntroduction to Java Training Course. ...
In JavaScript we have the following conditional statements: Useifto specify a block of code to be executed, if a specified condition is true Useelseto specify a block of code to be executed, if the same condition is false Useelse ifto specify a new condition to test, if the first condit...
参考资料 【1】https://www.cnblogs.com/davidwang456/p/3641369.html 【2】https://www.baeldung.com/java-replace-if-statements
2)Java中的嵌套if语句 当一个if语句嵌套在另一个if语句中时,这个if语句就被称为嵌套if语句. 嵌套if的结构如下所示: if(condition_1) { Statement1(s); if(condition_2) { Statement2(s); } } 如果condition_1(条件1)为true(真),则Statement1语句将会执行。执行完了Statement1语句后,程序走到下一个语句...