troubleshooting Question

starOut java challenge

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gudii9Flag for United States of America asked on
JavaJava EEProgramming Languages-OtherProgrammingJava App Servers
95 Comments2 Solutions805 ViewsLast Modified:
I am working on below challenge
I tried my code as below
public String starOut(String str) {
return str.replaceAll("./*.","");
I am getting below result
Expected      Run            
starOut("ab*cd") → "ad"      "d"      X         
starOut("ab**cd") → "ad"      ""      X         
starOut("sm*eilly") → "silly"      ""      X         
starOut("sm*eil*ly") → "siy"      "y"      X         
starOut("sm**eil*ly") → "siy"      ""      X         
starOut("sm***eil*ly") → "siy"      "y"      X         
starOut("stringy*") → "string"      ""      X         
starOut("*stringy") → "tringy"      ""      X         
starOut("*str*in*gy") → "ty"      ""      X         
starOut("abc") → "abc"      "c"      X         
starOut("a*bc") → "c"      ""      X         
starOut("ab") → "ab"      ""      X         
starOut("a*b") → ""      "b"      X         
starOut("a") → "a"      "a"      OK         
starOut("a*") → ""      ""      OK         
starOut("*a") → ""      ""      OK         
starOut("*") → ""      "*"      X         
starOut("") → ""      ""      OK         
other tests

how to  improve my approach, results and design of this challenge. How do i make a graphical venn or flow chart or some other relevant diagram to design it before writing code to decide best strategy?
 Please advise
Sr. Software engineer

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