在Java一个方法只能一个值。但是,你可以通过以下两种方式来“返回”多个值: 1. 使用数组 你可以将多个值封装在一个数组中,然后返回这个数组。 java public class MultipleReturnValues { public static int[] returnMultipleValues() { int[] values = {1, 2, 3}; return value
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...
publicclassMultipleValuesExample{publicstaticObject[]multipleValues(){Stringstr="Hello";intnum=123;Object[]values=newObject[2];values[0]=str;values[1]=num;returnvalues;}publicstaticvoidmain(String[]args){Object[]result=multipleValues();StringstrResult=(String)result[0];intnumResult=(int)result[1...
import java.util.ArrayList; import java.util.List; public class Main { public static void main(String[] args) { List<Integer> result = returnMultipleValues(); int value1 = result.get(0); int value2 = result.get(1); System.out.println(value1 + " " + value2); } public static List...
在Java中,一个方法只能返回一个值。但是可以通过不同的方式返回多个值,例如: 使用数组或集合:可以将多个值保存在数组、列表或其他集合中,然后将该数组或集合作为方法的返回值返回。 public static List<Integer> getMultipleValues() { List<Integer> values = new ArrayList<>(); values.add(1); values.add(...
JDK-6573237 : Functions that return multiple valuesType: Enhancement Component: specification Sub-Component: language Affected Version: 7 Priority: P5 Status: Closed Resolution: Duplicate OS: solaris_10 CPU: sparc Submitted: 2007-06-25 Updated: 2011-02-16 Resolved: 2007-06-25 ...
One other bit of syntactic convenience I recommend is to allow declarations inside the "Values" clause: void easy() { Values(int a, int b) = foo(17); ... } Conclusion: Multiple return values are quite useful in any language, and with Java's object model they are essential to generati...
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Not too sure but looking at the code https://github.com/line/armeria/blob/master/logback/src/main/java/com/linecorp/armeria/common/logback/UnionMap.java#L111 UnionMap returns a set of entries which is the union of two maps. But since ent...
function getMultipleValues(...values) { return values; } let result = getMultipleValues(10, "Hello", true); console.log(result); // 输出: [10, "Hello", true] 优势 灵活性:可以轻松地返回任意数量的值。 可读性:使用对象返回多个值时,可以通过属性名来访问值,提高了代码的可读性。 易用性:解...