Is it possible to write a regular expression to check if string is a number?
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Is java a security risk?
What is an array length?
1).what is the difference between below examples String s="vijay"; String s=new String("vijay");
12 Answers Mascon, Satyam, TCS,
What is default specifier ??? Use of default specifier ???
where is .equals() method and how is it different from == operation <giving some confusing implementation> Is hashing related to these?
What is a line separator in java?
Suppose there is an Online shopping cart application having different objects like Cart, SelectionItem, Billing, COnfiguration, Authentication, Authorization, PersonalDetails etc. Out of this which one can be made a singleton pattern and why?
What do you mean by default constructor in java?
How does system arraycopy work in java?
what are the major differences between jdk1.4 and jdk1.5?
2 Answers Cap Gemini, Crimson Logic, Infosys, TCS, Tenth Planet,
Difference between doublesummarystatistics, intsummarystatistics and longsummarystatistics ?
How do you add an arraylist to an array in java?