我们可以将多个值封装在一个数组或集合中,然后将数组或集合作为返回值返回。 publicObject[]returnMultipleValues(){Object[]values=newObject[3];values[0]="value1";values[1]=123;values[2]=true;returnvalues;} 1. 2. 3. 4. 5. 6. 7. 8. publicList<Object>returnMultipleValues(){List<Object>valu...
// A Java program to demonstrate that a method // can return multiple values of same type by // returning an array classTest { // Returns an array such that first element // of array is a+b, and second element is a-b staticint[] getSumAndSub(inta,intb) { int[] ans =newint[...
* Simple Movie class to demonstrate how easy it is to provide multiple values * in a single Java method return and provide readability to the client. * * @author Dustin */ public class Movie { private final String movieTitle; private final int yearReleased; private final String movieDirector...
在 method1() 中,我们调用 ExampleClass 的构造函数并在其中传递值。在 main() 函数内部,我们调用返回 ExampleClass 对象的 method1() 方法。 现在我们使用对象 getValues 获取值。请注意,我们可以使用不同类型的值。 public class MultipleObjects { public static void main(String[] args) { ExampleClass get...
A method can declare only one return value. BUT... if you want to return, say, three int values, then the declared return type can be an int array. Stuff those ints into the array, and pass it on back. It’s a little more involved to return multiple values with different types; ...
voidmeans that this method does not have a return value. You will learn more about return values later in this chapter Call a Method To call a method in Java, write the method's name followed by two parentheses()and a semicolon;
public static int m() { try { throw new NullPointerException(); } catch (NullPointerException(); { System.err.println("Caught NullPointerException."); return 1; } finally { return 0; } } The compiler generates a warning for thefinallyblock in this example. When theintmethod is called...
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true if a CallableStatement object can return multiple ResultSet objects simultaneously; false otherwise Attributes RegisterAttribute Exceptions SQLException a database error occurred. Remarks Retrieves whether it is possible to have multiple ResultSet objects returned from a CallableStatement object simultan...
To send multiple output values, useOutputBinding<T>defined in theazure-functions-java-librarypackage. JavaCopy @FunctionName("QueueOutputPOJOList")publicHttpResponseMessageQueueOutputPOJOList(@HttpTrigger(name ="req", methods = { HttpMethod.GET, HttpMethod.POST }, authLevel = AuthorizationLevel.ANONYM...