Core Java (All)

Decision Control Constructs in Java

Decision control statements can change the execution flow of a program. 

Decision control statements in Java are:

  • if statement

  • Conditional operator

  • switch statement

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Literals in Java

 

Literals are numbers, characters, and string representations in your program. Literals can be classified as numeric literals, character literals and string literals.

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Basics of Synchronization in Java

When several threads try to access a single resource, there is a chance that it might corrupt that data. Synchronization is the process which ensures that, when several threads want to access a single resource, only one thread can access it at any given time; other threads trying to access will have to wait for its turn. 

 

Important points about Synchronization

  1. A synchronized region is guarded by a lock object

Important Methods of the Thread Class

Thread class has many important methods like init, start, stop, run, getName(), getPriority(), isAlive() and join(), and also few static methods like sleep(), yield() etc.  [node:read-more:link]

Producer-Consumer Problem in Java using BlockingQueue

The producer consumer problem describes two processes, the producer and consumer, who share a common fixed size buffer used as a queue. The producer generates data and put data into buffer continuously. At the same time, the consumer will be consuming the data continuously. The problem is to make sure that producer won’t try to add data into buffer if it is full and that the consumer won’t try to remove data from an empty buffer. [node:read-more:link]

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