Java by API/java.lang/Boolean

Boolean: boolean booleanValue() (Returns the value of this Boolean object as a boolean primitive)

   <source lang="java">
  

public class Main {

 public static void main(String[] args) {
   Boolean b1 = new Boolean(false);
   Boolean b2 = new Boolean("true");
   System.out.println(b1.booleanValue());
   System.out.println(b2.booleanValue());
 }

}

 </source>
   
  
 
  

Boolean: parseBoolean(String s)

   <source lang="java">

public class Main {

   public static void main(String[] args) {
       String strBoolean = "true";
       
       //String to boolean conversion
       boolean theValue = Boolean.parseBoolean(strBoolean);
       
       System.out.println(theValue);
   }

} //true

 </source>
   
  
 
  

Boolean: String toString()

   <source lang="java">
  

public class Main {

 public static void main(String[] args) {
   Boolean b = Boolean.valueOf("true");
   System.out.println(b.toString());
 }

}

 </source>
   
  
 
  

Boolean: valueOf(String stringValue)

   <source lang="java">
  

/*

* Output:

true c 12 2 13245 12341234 11234.123 4.321324123412341E10

*/

public class MainClass {

 public static void main(String args[]) {
   Boolean bool = Boolean.valueOf("true");
   Character c = new Character("c");
   Byte b = Byte.valueOf("12");
   Short s = Short.valueOf("2");
   Integer i = Integer.valueOf("13245");
   Long l = Long.valueOf("12341234");
   Float f = Float.valueOf("11234.1234");
   Double d = Double.valueOf("43213241234.123412341234");
   System.out.println(bool);
   System.out.println(c);
   System.out.println(b);
   System.out.println(s);
   System.out.println(i);
   System.out.println(l);
   System.out.println(f);
   System.out.println(d);
 }

}

 </source>
   
  
 
  

new Boolean(boolean value)

   <source lang="java">
  

public class Main {

 public static void main(String[] args) {
   Boolean b1 = new Boolean(false);
   Boolean b2 = new Boolean("true");
   System.out.println(b1.booleanValue());
   System.out.println(b2.booleanValue());
 }

}

 </source>
   
  
 
  

new Boolean(String s)

   <source lang="java">
  

public class Main {

 public static void main(String[] args) {
   Boolean b1 = new Boolean(false);
   Boolean b2 = new Boolean("true");
   System.out.println(b1.booleanValue());
   System.out.println(b2.booleanValue());
 }

}

 </source>