Welcome to the String Handling MCQs Page
Dive deep into the fascinating world of String Handling with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of String Handling, a crucial aspect of Java Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of String Handling, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Java Programming.
Check out the MCQs below to embark on an enriching journey through String Handling. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Java Programming.
Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of String Handling. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!
String Handling MCQs | Page 5 of 6
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class output
{
public static void main(String args[])
{
char ch;
ch = "hello".charAt(1);
System.out.println(ch);
}
} class output
{
public static void main(String args[])
{
String s1 = "Hello";
String s2 = new String(s1);
String s3 = "HELLO";
System.out.println(s1.equals(s2) + " " + s2.equals(s3));
}
} 1 StringBuilder sb1 = new StringBuilder("123");
2 String s1 = "123";
3 // insert code here
4 System.out.println(sb1 + " " + s1); class output
{
public static void main(String args[])
{
String chars[] = {"a", "b", "c", "a", "c"};
for (int i = 0; i < chars.length; ++i)
for (int j = i + 1; j < chars.length; ++j)
if(chars[i].compareTo(chars[j]) == 0)
System.out.print(chars[j]);
}
class output
{
public static void main(String args[])
{
String s1 = "Hello";
String s2 = s1.replace('l','w');
System.out.println(s2);
}
} class output
{
public static void main(String args[])
{
String s1 = "Hello World";
String s2 = s1.substring(0 , 4);
System.out.println(s2);
}
} class output
{
public static void main(String args[])
{ String s = "Hello World";
int i = s.indexOf('o');
int j = s.lastIndexOf('l');
System.out.print(i + " " + j);
}
} class output
{
public static void main(String args[])
{
StringBuffer c = new StringBuffer("Hello");
StringBuffer c1 = new StringBuffer(" World");
c.append(c1);
System.out.println(c);
}
} class output
{
public static void main(String args[])
{
StringBuffer s1 = new StringBuffer("Hello");
StringBuffer s2 = s1.reverse();
System.out.println(s2);
}
} class output
{
class output
{
public static void main(String args[])
{
char c[]={'A', '1', 'b' ,' ' ,'a' , '0'};
for (int i = 0; i < 5; ++i)
{
i++;
if(Character.isDigit(c[i]))
System.out.println(c[i]+" is a digit");
if(Character.isWhitespace(c[i]))
System.out.println(c[i]+" is a Whitespace character");
if(Character.isUpperCase(c[i]))
System.out.println(c[i]+" is an Upper case Letter");
if(Character.isLowerCase(c[i]))
System.out.println(c[i]+" is a lower case Letter");
i++;
}
}
}a is a lower case Letter
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