Answer Posted / praveen kumar singh

Way 1
if(System.out.append("testing")!= null);

way 2
if(System.out.format("%s","testing" )!= null);

Describe the various concepts related to object oriented programming (oop).

1030

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How to reverse string in java?

1209

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What does escaping a character mean?

1021

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How to read and write image from a file ?

1049

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os is developed in c no java is more secured then c na why dont the os developed is developed using java

4231

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Can a class be declared as static?

1171

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Why is boolean important?

1068

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What is the purpose of interface?

1007

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What does math floor () do?

970

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Can we override protected method in java?

1068

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describe synchronization in respect to multithreading? : Java thread

929

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Is boolean a wrapper class in java?

1061

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What is the importance of hashcode() and equals() methods?

1056

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What do you mean by platform independence of Java?

1157

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Objects or references which of them gets garbage collected?

970

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