short 用equals

短類equals()方法 (Short class equals() method)

• equals() method is available in java.lang package.

  equals()方法在java.lang包中可用。

• equals() method is used to check equality or inequality of this Object against the given Object or in other words we can say this method is used to compare two objects.

  equals()方法用于檢查該對象與給定對象的相等性或不相等性，換句話說，我們可以說該方法用于比較兩個對象。

• equals() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.

  equals()方法是一種非靜態方法，僅可通過類對象訪問，如果嘗試使用類名訪問該方法，則會收到錯誤消息。

• equals() method does not throw an exception at the time of comparing two Objects.

  在比較兩個對象時， equals()方法不會引發異常。

Syntax:

句法：

public boolean equals(Object ob);

Parameter(s):

參數：

• Object ob – represents the Object to compare with.

  對象ob –表示要比較的對象。

Return value:

返回值：

The return type of this method is boolean, it returns true if Object1 is equal to Object2, else it returns false.

此方法的返回類型為boolean ，如果Object1等于Object2，則返回true，否則返回false。

Example:

例：

// Java program to demonstrate the example // of boolean equals(Object o) method of Short classpublic class EqualsOfShortClass {public static void main(String[] args) {// Variable declarationsshort s1 = 10;short s2 = 20;// Short Object initializationShort ob1 = new Short(s1);Short ob2 = new Short(s2);// Display ob1,ob2 valuesSystem.out.println("ob1:" + ob1);System.out.println("ob2:" + ob2);// It compare two objects of Short type// by calling ob1.equals(ob2)boolean compare = ob1.equals(ob2);// Display result valuesSystem.out.println("ob1.equals(ob2): " + compare);if (compare == true)System.out.println("Both objects are equal");elseSystem.out.println("Both objects are not equal");} }

Output

輸出量

ob1:10 ob2:20 ob1.equals(ob2): false Both objects are not equal

翻譯自: https://www.includehelp.com/java/short-class-equals-method-with-example.aspx

short 用equals

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