THIS IS A Beginner Course_Introduction to JAVA

Note: You Must use API only(Method on String)

Given a string, print true if the number of appearances of "is" anywhere in the string is equal to the number of appearances of "not" anywhere in the string (case sensitive).

Sample 1

equalIsNot("This is not") false

Sample 2

equalIsNot("This is notnot") true

Sample 3

equalIsNot("noisxxnotyynotxisi") true

Also, Given a string, replace all the white spaces with V_V and print out the new string.

Sample 1

replaceWhiteSpace(How are you?) HowV_VareV_Vyou?

Sample 2

replaceWhiteSpace(I am good?) IV_VamV_Vgood?"

PLEASE Do NOT use advanced high level syntax.

PLEASE Do NOT use advanced libraries beyond a beginner level.