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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
The state chart diagram given below defines the thread states. 1. Runnable - waiting for its turn to be picked for performing by the thread scheduler based o
Define the key weakness of the web? the key weakness of the web is Initially web was designed only for humans to read not for computers to understand it.
Describe Inner Classes in java? An inner class is a class whose body is described inside another class, referred to as the top-level class. For instance: public class Queue {
How does JVm do dynamic checking The JVM also does "dynamic" checking at runtime for certain operations, like pointer and array access, to make sure they are touching only memo
Write a function that draws a cow at a certain location on the screen, and use the function to draw a herd of cows
SMTP (Simple Mail Transfer Protocol) permits two mail servers to communicate using a easy language, and gives a step-by-step protocol for exchanging information. SMTP delivers m
The confidentiality and privacy may be accomplished through encryption. Encryption may be: Private-key or symmetric: This is based on a single key. This needs the sender and the
The Object class is the highest-level class in the Java class hierarchy. The Class is used to show the classes and interfaces that are loaded by a Java program..
Why there is a need to use primary key in database ? Primary key is a constraint basically used in datdabase to uniquely identify the records in the database.
Computer programming Project Description: Solving various problems about traffic jam Skills required: C# Programming, Java, C++ Programming, PHP, Software Architecture
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