String concatenation: The + contains null : String Concatenation « Data Type « Java Tutorial

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Java Tutorial » Data Type » String Concatenation

2. 22. 2. String concatenation: The + contains null


public class MainClass {



  public static void main(String[] arg) {

    String myString = "String a" + null;

  

    System.out.println(myString);

  }



}

String anull

2. 22. String Concatenation
	2. 22. 1.	String concatenation: '+' operation generates a new String object
	2. 22. 2.	String concatenation: The + contains null
	2. 22. 3.	String concatenation: Convert an integer to String and join with two other strings
	2. 22. 4.	String concatenation: Combining a string and integers
	2. 22. 5.	String concatenation: Combining integers and a string
	2. 22. 6.	Substring replacement.
	2. 22. 7.	Pad string
	2. 22. 8.	Padded String
	2. 22. 9.	Return a string padded with the given string for the given count.

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