What is the significance of disk files?

What is the significance of disk files? ,Java, C ,C++, ASP, ASP.net C# ,Struts ,Questions & Answer, Struts2, Ajax, Hibernate, Swing ,JSP , Servlet, J2EE ,Core Java ,Stping, VC++, HTML, DHTML, JAVASCRIPT, VB ,CSS, interview ,questions, and answers, for,experienced, and fresher

Without files it is impossible to make program. Because without input we can't expect about output
and unable to save result without files.ANSI C has huge collection of I/O functions.These files are called disk files.
 Programmer can made a file in an unformatted (machine readable) manner,or program can write to a file in a formatted (people readable) manner.

More interview questions and answers
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define destructor as static?
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What is the significance of disk files?
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What is output of following code package r4r.co.in.core.java; public class HelloWorld { static int i = 0; public static void main(String args[]) { new HelloWorld(); } static { i = 10; System.out.println(i); } }
What is output of following code package r4r.co.in.core.java; public class HelloWorld { int i = 0; public static void main(String args[]) { System.out.println(i); new HelloWorld(); } static { int i; i = 10; System.out.println(i); } }
What is output of following code package r4r.co.in.core.java; public class HelloWorld { int i = 0; public static void main(String args[]) { System.out.println(i); new HelloWorld(); } static { static int i; i = 10; System.out.println(i); } }
What is output of following code package r4r.co.in.core.java; public class HelloWorld { int i = 0; public static void main(String args[]) { System.out.println(i); new HelloWorld(); } static { final static int i=0; i = 10; System.out.println(i); } }
What is output of following code package r4r.co.in.core.java; public class HelloWorld { static int i = 0; public static void main(String args[]) { System.out.println(i); new HelloWorld(); } static { final int i=0; i = 10; System.out.println(i); } }
What is output of following code package r4r.co.in.core.java; public class HelloWorld { static int i = 0; public static void main(String args[]) { System.out.println(i); new HelloWorld(); } static { static final int i=0; i = 10; System.out.println(i); } }
What is output of following code package r4r.co.in.core.java; public class HelloWorld { static int i = 0; public static void main(String args[]) { System.out.println(i); new HelloWorld(); } static { static int i=0; i = 10; System.out.println(i); } }
What is output of following code package r4r.co.in.core.java; public class HelloWorld { static int i = 0; public static void main(String args[]) { System.out.println(i); display(); } void display(){ i=90; System.out.println(i); } }
What is output of following code package r4r.co.in.core.java; public class HelloWorld { static int i = 0; public static void main(String args[]) { System.out.println(i); display(); } static void display(){ i=90; System.out.println(i); } }
What is output of following code package r4r.co.in.core.java; public class HelloWorld { static int i = 0; public static void main(String args[]) { System.out.println(i); display(); } static void display(){ int i=0; i=90; System.out.println(i); } }
What is output of following code package r4r.co.in.core.java; public class HelloWorld { static int i = 0; public static void main(String args[]) { System.out.println(i); display(); HelloWorld h=new HelloWorld(); h.display(); } static void display(){ int i=0; i=90; System.out.println(i); } }
What is output of following code package r4r.co.in.core.java; public class HelloWorld { static int i = 0; public static void main(String args[]) { System.out.println(i); HelloWorld h=new HelloWorld(); h.display(); } void display(){ int i=0; i=90; System.out.println(i); } }
What is output of following code package r4r.co.in.core.java; public class HelloWorld { static int i = 0; public static void main(String args[]) { System.out.println(i); display(); HelloWorld h=new HelloWorld(); h.display(); } void display(){ int i=0; i=90; System.out.println(i); } }
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What is the Realization?
What is the mean of Utility Classes?
What is the mean of Utility Classes?
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What is the mean of Memory Leaks?
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What are The Multimap Container?
Whats the requirement of Input Itrator?