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Thread: Casting and Data Type Conversion examples

  1. #1
    Junior Member tonu's Avatar
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    Default Casting and Data Type Conversion examples

    Casting and Data Type Conversion examples
    	String s = "56"; // no letters inside
    	byte by = Byte.parseByte(s); //56
    	short sh = Short.parseShort(s); //56	
    	int i = Integer.parseInt(s); //56	
    	Integer i = Integer.valueOf(s);
    	long lo = Long.parseLong(s); //56		
    	float f = Float.parseFloat(s); //56.0
    	double d = Double.parseDouble(s); //56.0
    	char c = s.charAt(0); //5
    	boolean bo = Boolean.parseBoolean(s); //false

    	byte by = 1; 
    	short sh = 2; 
    	int i = 3; 
    	long lo = 4; 	
    	float f = 5.6F; 
    	double d = 66.8F;
    	char c = 's';
    	boolean bo = false;
     
    	String s = by+""; // 1
    	String s = Byte.toString(by);
    	String s = String.valueOf(by); // (i) ,(sh), (d) etc
    	String s = Short.toString(sh);
    	String s = Integer.toString(i);	
    	String s = Long.toString(lo);
    	String s = Float.toString(f); // 5.6
    	String s = Double.toString(d); // 66.80000305175781
    	String s = Character.toString(c); // s
    	String s = Boolean.toString(bo); // false

    long x = (long)i;
    float ff = (float)5;
    double ff = (double)3.55;
    char ff = (char)3.55;


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    Default Re: Casting and Data Type Conversion examples

    What's the question? Or is this a tutorial?

    Edit: Duh! I see I just woke up in the tutorial section. It might be helpful if you were to explain what the above examples do or show and how you think that might be helpful to someone else.

  3. #3
    Junior Member tonu's Avatar
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    Default Re: Casting and Data Type Conversion examples

    it is a tutorial, just summerized to learn by heart

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