Wrapping a Primitive Type in a Wrapper Object: boolean, byte, char, short, int, long, float, double

    

public class Main {
  public static void main(String[] argv) throws Exception {
    Boolean refBoolean = new Boolean(true);
    boolean bool = refBoolean.booleanValue();
    
    
    Byte refByte = new Byte((byte) 123);
    byte b = refByte.byteValue();
    
    
    Character refChar = new Character('x');
    char c = refChar.charValue();
    
    
    Short refShort = new Short((short) 123);
    short s = refShort.shortValue();
    
    
    Integer refInt = new Integer(123);
    int i = refInt.intValue();
    
    
    Long refLong = new Long(123L);
    long l = refLong.longValue();
    
    
    Float refFloat = new Float(12.3F);
    float f = refFloat.floatValue();
    
    
    Double refDouble = new Double(12.3D);
    double d = refDouble.doubleValue();
  }
}

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Wrapping a Primitive Type in a Wrapper Object: boolean, byte, char, short, int, long, float, double : byte « Data Type « Java

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