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Define the difference between StringBuffer and String class?
how to retrieve data from Excel file, and display that data in table on jsp page?
What does the keyword " synchronize " mean in java. What are the usage and disadvantages of synchronization?
Explain the Polymorphism principle. Polymorphism can be referred as one name many forms. It's the ability of methods to behave differently, relying upon the object who is calli
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Logical Operators Operator Functionality E x ample/ Explanation && Looks at 2 expressions & returns a
s=1/2at*2
String concatenation and comparison public class StringTest { public static void main(String[] args) { int i = 4; int j = 5; System.out.println ("Hello" + i); // wi
write a program in java which enters name,roll #,and shows the sum of students english and maths marks?
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What are the kinds of computer network according to the distance among nodes? The kinds of computer network according to the distance among nodes are: 1. LAN 2. WAN
A string buffer implements a variable sequence of characters. A string buffer is a String, and can be customized. At any point of time it contains some particular sequence of characters, but the length and content of the sequence can be changed through certain method calls. A String class represents character strings. All string literals in Java programs, as in "abc" are constant and implemented as instances of this class; their values cannot be changed after they are formed.
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