javaprogram1

srringtext


class StringTest

{



public static void main(String[] args)

{



String str;

str=new String();




System.out.println("str is:"+str);




String str1=new String("abc");

String str2=new String("abc");



String str3=new String(str1);




char ch[]={'h','e','l','l','o'};




String str4=new String(ch);

String str5=new String("ABC");

System.out.println("str1 is:"+str1);

System.out.println("str2 is:"+str2);

System.out.println("str3 is:"+str3);

System.out.println("str4 is:"+str4);



//methods.

System.out.println("charAt(2) in hello is:"+str4.charAt(2));




System.out.println("str1.compareTo(str4)"+str1.compareTo(str4));

System.out.println("str1.compareToIgnoreCase(str5)"+str1.compareToIgnoreCase(str5));

String concat=str4.concat("Uclid");

System.out.println("concat"+concat);



System.out.println("str4.length():"+str4.length());

System.out.println("str1.equals(str2):"+str1.equals(str2));

char []temp=str1.toCharArray();

for(char c:temp){

System.out.print(c);

}

System.out.println();



String lstr="abc";

String lstr1="abc";

System.out.println(str1==str2); //gives you false;

System.out.println(lstr== lstr1); //gives you true;

}

}

android projects

•Android is a software stack or a piece of software which is used to develop the mobile based applications.


•We can develop the application for mobile devices such as Smart Phones.

•Android software contains
Ø an operating System ( Linux Kernel )
Ø Middleware
Ø Key applications ( pre defined applications for mobile devices)