「Java」BooleanクラスのbooleanValueとvalueOfメソッドのサンプル

説明
valueOf(boolean b)
指定されたboolean値を表すBooleanインスタンスを返します。

booleanValue()
このBooleanオブジェクトの値をプリミティブboolean型として返します。
javaコード

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package com.arkgame.study;
public class BooleanVaDemo {
public static void main(String[] args) {
//create a Boolean object b
Boolean cftb = Boolean.valueOf(true);
//create a boolean primitive type bool
boolean bln;
//assign primitive value of b to bool
bln = cftb.booleanValue();
String cft = "Primitive value of Boolean object " + cftb + " is " + bln;
//print bool value
System.out.println(cft);
}
}
package com.arkgame.study; public class BooleanVaDemo { public static void main(String[] args) { //create a Boolean object b Boolean cftb = Boolean.valueOf(true); //create a boolean primitive type bool boolean bln; //assign primitive value of b to bool bln = cftb.booleanValue(); String cft = "Primitive value of Boolean object " + cftb + " is " + bln; //print bool value System.out.println(cft); } }
package com.arkgame.study;

public class BooleanVaDemo {

      public static void main(String[] args) {
            //create a Boolean object b
            Boolean cftb = Boolean.valueOf(true);

            //create a boolean primitive type bool
            boolean bln;

            //assign primitive value of b to bool
            bln = cftb.booleanValue();

            String cft = "Primitive value of Boolean object " + cftb + " is " + bln;

            //print bool value
            System.out.println(cft);
      }

}

結果
Primitive value of Boolean object true is true

Java

Posted by arkgame