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Java Guava Booleans.compare()用法及代碼示例


Guava庫中布爾類的compare()方法用於比較兩個指定的布爾值。這些值作為參數傳遞,比較結果作為第一值和第二值之差得到。因此,它可以為正,零或負。

用法:

public static int compare(boolean a, boolean b)

參數:此方法接受兩個參數:


  • a:這是要比較的第一個布爾對象。
  • b:這是要比較的第二個布爾對象。

返回值:此方法返回一個int值。它返回:

  • 如果“ a”等於“ b”,則為0,
  • 如果“ a”為真而“ b”為假,則為正值,
  • 如果“ a”為假而“ b”為真,則為負值

異常:該方法不會引發任何異常。

以下示例程序旨在說明Booleans.compare()方法:

範例1:

// Java code to show implementation of 
// Guava's Booleans.compare() method 
  
import com.google.common.primitives.Booleans; 
  
class GFG { 
    public static void main(String[] args) 
    { 
        boolean a = true; 
        boolean b = true; 
  
        // compare method in Booleans class 
        int output = Booleans.compare(a, b); 
  
        // printing the output 
        System.out.println("Comparing " + a 
                           + " and " + b + ":"
                           + output); 
    } 
}
輸出:
Comparing true and true:0

範例2:

// Java code to show implementation of 
// Guava's Booleans.compare() method 
  
import com.google.common.primitives.Booleans; 
  
class GFG { 
    public static void main(String[] args) 
    { 
        boolean a = true; 
        boolean b = false; 
  
        // compare method in Booleans class 
        int output = Booleans.compare(a, b); 
  
        // printing the output 
        System.out.println("Comparing " + a 
                           + " and " + b + ":"
                           + output); 
    } 
}
輸出:
Comparing true and false:1

範例3:

// Java code to show implementation of 
// Guava's Booleans.compare() method 
  
import com.google.common.primitives.Booleans; 
  
class GFG { 
    public static void main(String[] args) 
    { 
  
        boolean a = false; 
        boolean b = true; 
  
        // compare method in Booleans class 
        int output = Booleans.compare(a, b); 
  
        // printing the output 
        System.out.println("Comparing " + a 
                           + " and " + b + ":"
                           + output); 
    } 
}
輸出:
Comparing false and true:-1


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注:本文由純淨天空篩選整理自Sahil_Bansall大神的英文原創作品 Java Guava | Booleans.compare() method with Examples。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。