The while loop loops through a block of code as long as a specified condition is true:SyntaxGet your own Java Server while (condition) { // code block to be executed } In the example below, the code in the loop will run, over and over again, as long as a variable (i) is less ...
多个条件语句:多个条件语句是指在程序中需要根据不同情况执行不同的代码块。在Java中,可以使用if-else语句或者switch语句来实现多个条件语句的判断。 if-else语句:通过判断条件的真假来选择执行相应的代码块。示例代码: 代码语言:txt 复制int x = 10; if (x > 0) { System.out.println("x是正数...
The while loop in Java is a control flow statement that allows code to be executed repeatedly based on a given boolean condition. The loop continues to execute as long as the specified condition evaluates to true. It is particularly useful when the number of iterations is not known beforehand...
Programmers makes mistake. If theconditional-expressiongiven in while loop never terminatesthen the loop will result in an infinitewhile-loop. For example, in the previous program, if theindexvalue is not incremented after each iteration, then the condition will never terminate. In the next example...
The only time you should use a do-while loop is when you want to execute the statements inside the loop at least once, even though condition expression returns false. Otherwise, it’s always better to use a while loop. Java while loop looks cleaner than a do-while loop. That’s all ...
Test.java 文件代码: publicclassTest{publicstaticvoidmain(String[]args){intx=10;do{System.out.print("value of x :"+x);x++;System.out.print("\n");}while(x<20);}} 以上实例编译运行结果如下: value of x:10value of x:11value of x:12value of x:13value of x:14value of x:15value...
Use a for loop.Add a class named TestRun with a main() method.Note that this is not a subclass of the SunAvg superclass.Write code for the main() method to use the members of the threeclasses you have created.You need to label the output from eachmethod call. 相关知识点: ...
It's just a simple example; you can achieve much more with loops. In the previous tutorial, you learned about Java for loop. Here, you are going to learn about while and do...while loops. Java while loop Java while loop is used to run a specific code until a certain condition is ...
false;while (!loopEnded) { use(matcher);if (matcher.hitEnd()) { loopEnded = true;} } public static void use(Matcher matcher) { if (!matcher.find()) { System.out.println("loop not ended but matcher hit end");} } 运行后发现会输出错误信息，循环到最后判断一下就好了。
Dim reference As String Dim space As String Dim result As String reference = "引用" space = " " Do While condition ' 执行某些操作 ' 连接引用和空格 result = reference & space ' 执行其他操作 Loop 在上述代码中,首先定义了一个引用变量(reference)和一个空格变量(space)。然后,在Do While循...