Java YearMonth plusYears()用法及代碼示例

Java中YearMonth類的plusYears()方法用於返回此YearMonth的副本，其中添加了指定的年數。

用法:

public YearMonth plusYears(long yearsToAdd)

參數：此方法接受yearsToAdd作為參數，表示要添加到當前YearMonth對象的年份。可能是負麵的。

返回值：它基於此year-month返回添加了年份的YearMonth。

異常：如果結果超出支持的範圍，則此方法將引發DateTimeException。

以下示例程序旨在說明Java中YearMonth的plusYears()方法：

程序1:

// Java program to demonstrate 
// YearMonth.plusYears() method 
  
import java.time.*; 
import java.time.temporal.*; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
        // Create YearMonth object 
        YearMonth yearmonth 
            = YearMonth.parse("2020-05"); 
  
        // Apply plusYears() method 
        // of YearMonth class 
        YearMonth result 
            = yearmonth.plusYears(5); 
        // It will add 5 years into May 2020 
        // So it will be May 2025 
  
        // print results 
        System.out.println( 
            "Modified YearMonth:"
            + result); 
    } 
}

輸出：

Modified YearMonth:2025-05

程序2:

// Java program to demonstrate 
// YearMonth.plusYears() method 
  
import java.time.*; 
import java.time.temporal.*; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
        // Create YearMonth object 
        YearMonth yearmonth 
            = YearMonth.of(2019, 10); 
        // It is October 2019 
  
        // apply plusYears() method 
        // of YearMonth class 
        YearMonth result 
            = yearmonth.plusYears(10); 
        // YearMonth will become October 2029 
  
        // print only modified year 
        System.out.println( 
            "Modified Year:"
            + result.get(ChronoField.YEAR)); 
    } 
}

輸出：

Modified Year:2029

參考文獻： https://docs.oracle.com/javase/10/docs/api/java/time/YearMonth.html#plusYears(long)

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注：本文由純淨天空篩選整理自pp_pankaj大神的英文原創作品 YearMonth plusYears() method in Java 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。