How to get value from another Class in Java which does not contain void main?

How to get value from another Class in Java which does not contain void main?

References

Reference NO 1

http://stackoverflow.com/questions/15188711/how-to-get-value-from-another-class-in-java-which-does-not-contain-void-main

Reference NO 2

http://stackoverflow.com/questions/16619271/why-does-calling-the-main-method-of-a-different-class-not-work-correctly

Reference NO 3

http://cs-people.bu.edu/dgs/courses/cs111/assignments/errors.html

Reference NO 4

http://pages.cs.wisc.edu/~hasti/cs368/JavaTutorial/NOTES/Java-Classes.html

Reference NO 5

http://pirate.shu.edu/~wachsmut/Teaching/CSAS2214/Virtual/Lectures/lecture16.html

Reference NO 6

http://math.hws.edu/javanotes/c4/s2.html

Reference NO 7

http://www.tutorialspoint.com/java/java_methods.htm

Reference NO 8

http://www2.raritanval.edu/departments/cis/full-time/Schwarz/CCP/Java/chapter2.htm