What you need to do is change the return type of getMonth() from int to String public String getMonth() { switch (month) { case 1: return "January"; case 2: return "February"; case 3: return "March"; case 4: return "April"; case 5: return "May"; case 6: return "June"; ca...
2 using switch in strings 3 Use of strings in "switch" statement; Java SE 7 3 Switch Case with string Java 63 Use string in switch case in java 0 Using Strings as switch parameter 1 Switches in Java 0 Getting an error when I make a switch with a string 0 using Switch an...
是的,在SWITCH case中,在“return”语句之后放置“break”语句是可以的。事实上,这样做是一种很好的...
翻译自: https://www.javacodegeeks.com/2018/04/enhancing-java-switch-statement-with-introduction-of-switch-expression.html
\n随着Java构造者开始支持Java语言的模式匹配以来,现在的switch语句的不规则性变成了一个障碍。\n\n \n在Java 12中重新增强switch让它具备了新的能力,通过扩展现有的switch语句,可将其作为增强版的switch语句或是“switch表达式”来简化代码。\n\n \n这篇文章探索了全新的Java 12 switch语句,并提供了基于JShell的...
A Java switch expression a switch statement which can return a value. Thus, it can be evaluated as an expression, just like other Java expressions (which are also evaluated to a value). In this section I will show you how the Java switch expressions of Java 12 works. ...
找高手做JAVA 里SWITCH 编程(题是英文的)Exercise on Switch StatementFor the following questions do:1.Design a program that uses select case statement to determine the arithmetic operation on two numbers then display the output.For example any of the following letters can perform an arithmetic ...
name()); } return result; } 2. Switch Expressions Java 12 introduced the switch expressions which can compute the value for the whole switch statement and assign its value to a variable. It is very similar to other normal Java statements. 2.1. Return value with Arrow Syntax Let us ...
Understanding this ‘fall through’ behavior is crucial when working with switch statements in Java, as it can lead to unexpected results if not handled correctly. Applying Java Switch Statement in Real-World Projects As we’ve seen, the switch statement is a powerful tool for controlling the fl...
statement n(s); break; default: statement(s) } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. switch 语句中 expression 必须是返回值为 int 、string、枚举值的表达式,data也是对应的数据就可以了。当expression符合某一个case的data,则执行该case语句,其中break语句起不可少。