检查'while'语句的语法是否正确: while语句的基本语法如下: java while (condition) { // 循环体 } 确保你的while语句遵循了这种格式,并且条件表达式(condition)是有效的。 确认'while'循环的条件是否满足: 如果循环条件在循环开始前就不满足(即条件为false),那么循环体将不会被执行。例如: jav
public class MainClass { public static void main(String[] args) { int i = 0; outer: while (true) { System.out.println("Outer while loop"); while (true) { i++; System.out.println("i = " + i); if (i == 1) { System.out.println("continue"); continue; } if (i == 3)...
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3. Break Statement Example 4. Using Break in a While Loop 5. Using Break in a Switch Statement 6. Labeled Break Statement 7. Usage Scenarios 8. Conclusion 1. Introduction The break keyword in Java is primarily used in two contexts: within loops (for, while, and do-while) and in switch...
When you know exactly how many times you want to loop through a block of code, use the for loop instead of a while loop:SyntaxGet your own Java Server for (statement 1; statement 2; statement 3) { // code block to be executed }...
statement.FieldNamedPreparedStatementImpl.executeBatch(FieldNamedPreparedStatementImpl.java:65) at org.apache.flink.connector.jdbc.internal.executor.TableSimpleStatementExecutor.executeBatch(TableSimpleStatementExecutor.java:64) at org.apache.flink.connector.jdbc.internal.executor.TableBufferReducedStatementExecutor....
Java 中的“While-loop” | C# 中的“For 循环” | Python 中的“For-loop” | | --- | --- | --- | | //让我们初始化一个变量 int I = 3;而(i > 0) {System.out.println("三个 hello ");-我;} | //这是一个迷人的循环for(int I = 0;我<3;i++){控制台。WriteLine(“你好!
for loop may be replaced with while loop Enabled No highlighting, only fix for loop with missing components Disabled Warning Idempotent loop body Enabled Warning if statement could be replaced with conditional expression Disabled Warning if statement with common parts Enabled Weak Warning if statement ...
Affects PMD Version: 6.30.0 Rule: EmptyStatementNotInLoop https://pmd.github.io/pmd-6.30.0/pmd_rules_java_errorprone.html#emptystatementnotinloop Description: When there is Empty If Statement, it gives alarms. However, there is another r...
so it can be used in the termination and increment expressions as well. If the variable that controls aforstatement is not needed outside of the loop, it's best to declare the variable in the initialization expression. The namesi,j, andkare often used to controlforloops; declaring them wi...