import java.io.*;
import java.util.*;
public class Test{
public static void main(String[] args){
Scanner in = new Scanner(System.in);
String string1,string2;
string1 = in.nextLine();
string2 = in.nextLine();
if(string1.equals(string2))
System.out.println(“The two strings are equal.”);
else
System.out.println(“The two strings are not equal.”);
}
}
2.
import java.io.*;
import java.util.*;
public class Test{
public static void main(String[] args){
StringBuilder sb = new StringBuilder(“Welcome to Java Programming!”);
sb.replace(0, 10, “Learning”);
int len = sb.length();
System.out.println(sb);
System.out.println(“Number of characters in the StringBuilder object: ” + len);
}
}
3.
import java.util.Scanner;
public class Test{
public static void main(String[] args){
Scanner scan = new Scanner(System.in);
String str; int i;
str = scan.nextLine();
i = scan.nextInt();
StringBuilder strb = new StringBuilder(str);
strb.insert(i, ” to “);
System.out.println(strb);
}
}
4. import java.util.Scanner;
public class Demo{
public static void main(String[] args){
Scanner scan = new Scanner(System.in);
String str, str1;
str = scan.nextLine();
str1 = scan.nextLine();
StringBuilder strb = new StringBuilder(str);
strb.append(” “).append(str1);
System.out.println(strb);
}
}
5.
import java.util.Scanner;
import java.util.Arrays;
public class Arr_index{
public static void main(String[] args){
int num;
Scanner s = new Scanner(System.in);
num = s.nextInt();
int a[] = {10,2,69,22};
Arrays.sort(a);
int retVal = Arrays.binarySearch(a, num);
System.out.println(“The index of ” + num + ” is ” + retVal);
}
}
Other Links:
See other websites for quiz:
Check on QUIZLET