Java 中將整數轉換成十六進位制字串


Java 中的 Integer.toHexString() 方法可將整數轉換為十六進位制字串。

我們有以下整數。

int val1 = 5;
int val2 = 7;
int val3 = 13;

將上述整數轉換為十六進位制字串。

Integer.toHexString(val1);
Integer.toHexString(val2);
Integer.toHexString(val3);

示例

 即時演示

public class Demo {
   public static void main(String[] args) {
      int val1 = 5;
      int val2 = 7;
      int val3 = 13;
      int val4 = 23;
      int val5 = 30;
      System.out.println("Converting integer "+val1+" to Hex String: "+Integer.toHexString(val1));
      System.out.println("Converting integer "+val2+" to Hex String: "+Integer.toHexString(val2));
      System.out.println("Converting integer "+val3+" to Hex String: "+Integer.toHexString(val3));
      System.out.println("Converting integer "+val4+" to Hex String: "+Integer.toHexString(val4));
      System.out.println("Converting integer "+val5+" to Hex String: "+Integer.toHexString(val5));
   }
}

輸出

Converting integer 5 to Hex String: 5
Converting integer 7 to Hex String: 7
Converting integer 13 to Hex String: d
Converting integer 23 to Hex String: 17
Converting integer 30 to Hex String: 1e

更新於:26-6-2020

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