In this tutorial we will learn what is the significance of Abstract class and Interface and what is the difference between abstract class and interface in java. In java basically to implement/achieve the one of powerful feature “abstraction” we need use either Abstract class and Interface, both have abstract methods. There are some cases when […]
Solution
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public class GenerateRandomIntegerInRange { public static void main(String[] args) { for(int i=0;i<10;i++) System.out.println(generateRandomIntegerInRange(11,20)); } /* * Returns the random integer in specified range */ public static int generateRandomIntegerInRange(int min, int max){ return min + (int)(Math.random()*((max - min) + 1)); } } |
Output
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Java provides a mechanism called Serialization nothing but conevrting Java object as a stream of bytes which includes the object’s data as well as information about the object’s type and the types of data stored in the object. By using Serialization mechanism we can persist the object state in file or DB,the reverse mechanism i.e reading […]
In this tutorial we can see how to convert String to Char Array in Java, see the below example code.
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public class ConvertStringToCharArray { public static void main(String[] args) { String str = "Connect2java.com"; char[] charArray = str.toCharArray(); // Loop the charArray and print for(char c: charArray){ System.out.println(c); } } } |
OUT PUT:
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C o n n e c t 2 j a v a . c o m |