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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
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(Login User Control) Create a UserControl called LoginPasswordUserControl that contains a Label (loginLabel) that displays string "Login:", a TextBox (loginTextBox), where the user
write a program in java which enters name,roll #,and shows the sum of students english and maths marks?
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