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Explain java.lang.string library in java?
Strings are objects. Specifically they're instances of the class java.lang.String. This class has several methods which are useful for working along with strings.
java.lang.String
Internally Java Strings are arrays of Unicode characters. For instance the String "Hello" is a five element array. Like arrays, Strings starts counting at 0. Therefore in the String "Hello" 'H' is character 0, 'e' is character 1, and so on.
"Hello"
'H'
'e'
0
1
2
3
4
H
e
l
o
Write a program called Power that displays the positive powers of 2. When the user enters the exponent at a prompt, the program displays 2 to that power. The program halts when the
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YES. JSP technology is extensible by the development of custom actions, or tags, which are encapsulated in tag libraries. #question..
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Define the difference between StringBuffer and String class ?
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