In Java, missing return statement is a common error which occurs if either we forget to add return statement or use in the wrong scenario. In this article, we will see the different scenarios whenmissing return statement can occur. Table of Contents [hide] Missing return statement Scenario ...
public int foo(int x) { if (x < 0) { return -1; } else if (x > 0) {...
} 在这个例子中,如果 a 和 b 相等,就没有返回值,就会出现 Missing return statement 错误。可以通过添加一个默认返回语句来解决这个问题。 public static int getMax(int a, int b) { if (a > b) { return a; } else if (a < b) { return b; } return a; // 添加默认返回值 } 这样添加默认...
All Superinterfaces: BlockElementT,SimpleStatementT,StatementT,Tree public interfaceReturnStatementTextendsSimpleStatementT A return statement. JLS3 14.17. Field Summary Fields inherited from interface javax.ide.model.java.source.tree.StatementT EMPTY_ARRAY...
the previous statementoftryblock Exceptioninthread"main"java.lang.ArithmeticException:/by zero at com.bj.charlie.Test.test(Test.java:15)at com.bj.charlie.Test.main(Test.java:6) 另外,如果去掉上例中被注释的两条语句前的注释符,执行结果则是: ...
Boolean Values in Java The boolean values in Java represent a truth or fallacy. To denote the truth boolean true is used while boolean false denotes the fallacy. You should also note that the boolean values are negation of each other. Therefore the statement ‘not true’ is equivalent to ‘...
的public static double[] cumus(double[] m,double[] n)这个方法需要你返回一个double类型的数组，而你却没有返回。修改意见：看这个方法应该是想把result返回回来，所以应该在这个方法的最后返回result。故 把return result; 下移一行 } return result;} >>> } } return result;把...
the previous statement of try block Exception in thread "main" java.lang.ArithmeticException: / by zero at com.bj.charlie.Test.test(Test.java:15) at com.bj.charlie.Test.main(Test.java:6) 另外,如果去掉上例中被注释的两条语句前的注释符,执行结果则是: ...
Use 'Java.Sql.IStatement.ReturnGeneratedKeys'. This class will be removed in a future release. 指示应提供生成的密钥以供检索的常量。 C# 复制 [Android.Runtime.Register("RETURN_GENERATED_KEYS")] [System.Obsolete("Use 'Java.Sql.IStatement.ReturnGeneratedKeys'. This class will be removed in ...
public <T> Iterator<T> queryIterator (java.lang.String sql, Class<T> returnClass, Object... parameters); Assume the following bean definition, com.company.Customer, for a customer: public Customer { public Integer custId; public String name; public String addressL1; public ...