Page 193 - CA_Blue( J )_Class10
P. 193
Ans. import java.util.*;
class question6
{
public static void main()
{
Scanner sc=new Scanner(System.in);
String str,tstr="";
int l,i;
char ch1,ch2;
System.out.print("Enter the string: ");
str=sc.nextLine().toLowerCase();
str=" "+str;
l=str.length();
for(i = 0; i < l; i++)
{
ch1=str.charAt(i);
if(ch1==' ')
{
tstr = tstr+' '+Character.toUpperCase(str.charAt(i+1));
i++;
}
else
tstr += str.charAt(i);
}
System.out.println(tstr.trim());
}
}
22. Write a menu-driven program to display the pattern as per the user’s choice:
Pattern 1 Pattern 2
ABCDE B
ABCD LL
ABC UUU
AB EEEE
A
For an incorrect option, an appropriate error message should be displayed. [2018]
Ans. import java.util.*;
class question_8
{
public static void main() {
Scanner sc= new Scanner(System.in);
String str;
int ch,i,j;
char ch1;
System.out.println("Menu");
System.out.println("1. Pattern 1");
System.out.println("2. Pattern 2");
System.out.print("Enter your choice: ");
ch = sc.nextInt();
switch(ch)
{
case 1:
for(i=5;i>=1;i--) {
for(j=1;j<=i;j++) {
System.out.print((char)(64+j));
}
System.out.println();
}
break;
191
Iterative constructs in Java 191

