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Block Scope

 Variables declared inside blocks of code are only accessible by the code between the curly braces.

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AWSD controller with c#

      using   UnityEngine ;   using   System.Collections ;   using   System.Collections.Generic ;     [ RequireComponent  ( typeof ( Rigidbody ) ) ]   public   class  PlayerController  :  MonoBehaviour  {         public   float  movementSpeed  =  5 . 0f ;         void  Start  ( )   {                 }             void  Update  ( )   {           Rigidbody rigidbody  =  GetComponent < Rigidbody > ( ) ;             if ( Input . GetKey ( KeyCode . W ) )   {              transform . position   +=  Vector3 . forward   *  Time . deltaTime   *  movementSpeed ;           }     ...

Java is a high-level programming language originally developed by Sun Microsystems and released in 1995. Java runs on a variety of platforms, such as Windows, Mac OS, and the various versions of UNIX. This tutorial gives a complete understanding of Java. This reference will take you through simple and practical approaches while learning Java Programming language.

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Proof Lim x approach 0 of sin(x)/x=0 and lim x approach 0 of (cos(x)-1)/x=0