If you are getting error: could not find a main class, then ensure that you have added the location of you .class file to your classpath. So, if it is in the current folder then add . to your classpath.
You need these three things :
64-bit ...READ MORE
Check your javac path on Windows using Windows Explorer C:\Program Files\Java\jdk1.7.0_02\bin and ...READ MORE
Using nio we can check whether file ...READ MORE
str != null && str.length() != 0
str ...READ MORE
Use the final modifier to enforce good initialization.
Avoid returning ...READ MORE
Whenever you require to explore the constructor ...READ MORE
You could turn the String into a ...READ MORE
A static method has two main purposes:
For ...READ MORE
You can use string.indexOf('s').
If the 's' is present in string, ...READ MORE
A simple example:
public class Expl