91. What will be the output of the following Java code?
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 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]);
}
}92. Which of these methods of class StringBuffer is used to extract a substring from a String object?
93. In the following Java code, what can directly access and change the value of the variable name?
package test;
class Target
{
public String name = "hello";
}
package test;
class Target
{
public String name = "hello";
}94. Which of the following statement is correct?
95. What will be the output of the following Java code?
class output
{
public static void main(String args[])
{
StringBuffer s1 = new StringBuffer("Hello World");
s1.insert(6 , "Good ");
System.out.println(s1);
}
}
class output
{
public static void main(String args[])
{
StringBuffer s1 = new StringBuffer("Hello World");
s1.insert(6 , "Good ");
System.out.println(s1);
}
}96. What will be the output of the following Java program?
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 c = new StringBuffer("Hello");
StringBuffer c1 = new StringBuffer(" World");
c.append(c1);
System.out.println(c);
}
}97. What will be the output of the following Java program?
class String_demo
{
public static void main(String args[])
{
char chars[] = {'a', 'b', 'c'};
String s = new String(chars);
String s1 = "abcd";
int len1 = s1.length();
int len2 = s.length();
System.out.println(len1 + " " + len2);
}
}
class String_demo
{
public static void main(String args[])
{
char chars[] = {'a', 'b', 'c'};
String s = new String(chars);
String s1 = "abcd";
int len1 = s1.length();
int len2 = s.length();
System.out.println(len1 + " " + len2);
}
}98. Which of these method of class String is used to compare two String objects for their equality?
99. Which of these methods is an alternative to getChars() that stores the characters in an array of bytes?
100. What will be the output of the following Java code?
public class Boxer1
{
Integer i;
int x;
public Boxer1(int y)
{
x = i+y;
System.out.println(x);
}
public static void main(String[] args)
{
new Boxer1 (new Integer(4));
}
}
public class Boxer1
{
Integer i;
int x;
public Boxer1(int y)
{
x = i+y;
System.out.println(x);
}
public static void main(String[] args)
{
new Boxer1 (new Integer(4));
}
}Read More Section(Strings)
Each Section contains maximum 100 MCQs question on Strings. To get more questions visit other sections.