Valueof vs tostring

public static void main(String args[]) {  
    String str = null;
    System.out.println(String.valueOf(str));  // This will print a String equal to "null"        
    System.out.println(str.toString()); // This will throw a NullPointerException
}

Source: stackoverflow.com

Similar codes

9 votes205 views3 answers
How to reverse a list in java
Java
0 vote211 views2 answers
Single line comment in java
Java
5 votes182 views1 answer
Change color of text in textview android
Java
1 vote193 views2 answers
Android studio java random number generator
Java
8 votes173 views1 answer
Arraylist to set java 8
Java
0 vote176 views1 answer
Xml button color not changing
Java
0 vote208 views1 answer
Java bufferedreader read all lines
Java
3 votes186 views1 answer
How to converet negative byte value to postive int value in java
Java
0 vote188 views1 answer
Applescript copy to clipboard
Java
0 vote181 views3 answers
Zweidimensionales array ausgeben java
Java