PropertyPermission類equals()方法 (PropertyPermission Class equals() method)
equals() method is available in java.util package.
equals()方法在java.util包中可用。
equals() method is used to check whether this object and the given object (ob) are equal or not.
equals()方法用于檢查此對象與給定對象(ob)是否相等。
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 checking the equality of two objects.
在檢查兩個對象的相等性時， 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 be tested with this object in this PropertyPermission.
對象ob –表示要在此PropertyPermission中與此對象一起測試的對象。
Return value:
返回值：
The return type of the method is boolean, it returns true when both the object are same, equals otherwise it returns false.
該方法的返回類型為boolean ，當兩個對象相同時返回true ，否則返回false 。
Example:
例：
// Java program to demonstrate the example
// of boolean equals(Object ob) method of
// PropertyPermission
import java.util.*;
public class EqualsOfPropertyPermission {
public static void main(String arg[]) {
// Instantiates two PropertyPermission object
PropertyPermission prop_perm1 = new PropertyPermission("os.version", "write");
PropertyPermission prop_perm2 = new PropertyPermission("os.name", "read");
// By using equals() method is to
// whether two PropertyPermission
// objects are same or not in terms
// of name and actions
boolean status = prop_perm1.equals(prop_perm2);
System.out.print("prop_perm1.equals(prop_perm2): ");
System.out.println(status);
}
}
Output
輸出量
prop_perm1.equals(prop_perm2): false
翻譯自: https://www.includehelp.com/java/propertypermission-equals-method-with-example.aspx
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