If you are looking for the answer of how to compare two strings in java, you’ve got the right page. We have approximately 10 FAQ regarding how to compare two strings in java. Read it below.
Best way to count string occurence in a string java
Ask: Best way to count string occurence in a string java performance
Learn how to count characters with the core Java library and with libraries and frameworks such as Spring and Guava.
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string manipulation in java
string manipulation in java
String Builder, String, String Buffer classes are commonly used for string manipulation and operations in Java.
How to do we create Strings In java?
Ask: How to do we create Strings In java?
There are two ways to create a String object:
By string literal : Java String literal is created by using double quotes. For Example: String s=“Welcome”;
By new keyword : Java String is created by using a keyword “new”. For example: String s=new String(“Welcome”);
The Java String is immutable which means it cannot be changed. Whenever we change any string, a new instance is created. For mutable strings, you can use StringBuffer and StringBuilder classes.
how can you compare Java to Html in terms of
Ask: how can you compare Java to Html in terms of functionality and purpose?
What is difference between Java and HTML?
how do i get a string from another class in
Ask: how do i get a string from another class in java ?
by borrowing and trusting to other
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Problem:Write a Java method to display the middle character of
Write a Java method to display the middle character of a string.
Note: a) If the length of the string is odd there will be two middle characters.
b) If the length of the string is even there will be one middle character.
Input a string: 350
import java.util.Scanner; //imoprting scanner class
Scanner sc=new Scanner(System.in) ;//creating a scanner class object
public void main()
System.out.println(“please enter a string”); //asking the user for input
sen=sc.nextLine(); //code to take user input
Briefly explain java string class methods
Ask: Briefly explain java string class methods
All String Methods
Method Description Return Type
toLowerCase() Converts a string to lower case letters String
toString() Returns the value of a String object String
toUpperCase() Converts a string to upper case letters String
trim() Removes whitespace from both ends of a string String
1. In Java String Literal What will happen ifthe string
Ask: 1. In Java String Literal What will happen if
the string already exists in the pool?
2. Why Java uses the concept of String
- If there is already a string literal “Cat” in the pool, then only one string “str” will be created in the pool. If there is no string literal “Cat” in the pool, then it will be first created in the pool and then in the heap space, so a total of 2 string objects will be created.
- Why Java uses the concept of String literal? To make Java more memory efficient (because no new objects are created if it exists already in the string constant pool)
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In writing a general purpose sort method in Java, the
Ask: In writing a general purpose sort method in Java, the sort method needs to compare objects. There are two ways to give the sort method the code to compare objects. Briefly, describe the two ways.
Programmers frequently need to sort elements from a database into a collection, array, or map. In Java, we can implement whatever sorting algorithm we want with any type. Using the Comparable interface and compareTo() method, we can sort using alphabetical order, String length, reverse alphabetical order, or numbers. The Comparator interface allows us to do the same but in a more flexible way.
Whatever we want to do, we just need to know how to implement the correct sort logic for the given interface and type.
Sorting a Java List with a custom object
For our example we’ll use the same POJO we’ve used for other Java Challengers so far. In this first example, we implement the Comparable interface in the Simpson class, using Simpson in the generic type.
how do you compare the sound of the biggest string
Ask: how do you compare the sound of the biggest string and the smallest string?
what do you mean by small or biggest width or length?
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