util.Arrays; public class Hero{ public static void main(String[] args) { int [][] s=new int [5][8]; int []a=new int[40]; for(int i=0;i<5;i++) { for(int k=0;k<8;k++) { s[i][k]=(int)(Math.random()*100); System.out.print(s[i][k]+" "); } System.out....
58. Merge two sorted arrays maintaining order Given two sorted arrays A and B of size p and q, write a Java program to merge elements of A with B by maintaining the sorted order i.e. fill A with first p smallest elements and fill B with remaining elements. Example: Input : int[] ...
Arrays can contain primitive or Objects whereas ArrayList can contain only Objects. Arrays are fixed-size whereas ArrayList size is dynamic. Arrays don't provide a lot of features like ArrayList, such as addAll, removeAll, iterator, etc. Although ArrayList is the obvious choice when we work on...
When copying elements between different arrays, if the source or destination arguments are not arrays or their types are not compatible, an ArrayStoreException will be thrown.105. Can you call one constructor from another if a class has multiple constructors?Yes, use this() syntax.106. What's...
112 . How do you compare two arrays? 113 . What is an enum? 114 . Can you use a switch statement around an enum? 115 . What are variable arguments or varargs? 116 . What are asserts used for? 117 . When should asserts be used? 118 . What is garbage collection? 119 . Can you...
Java provides Comparable interface which should be implemented by any custom class if we want to use Arrays or Collections sorting methods. Comparable interface has compareTo(T obj) method which is used by sorting methods. We should override this method in such a way that it returns a negative...
Java Collection Interview Questions Java Advanced Topics Advanced Java covers those topics meant for more complicated situations, such as frameworks, APIs, and web development. These topics are important for developers involved in big projects.
Try this quiz/worksheet to see what you can recall about using arrays as arguments to functions in Java programming. Attempt the quiz and answer questions on topics like the characteristics of an array and the most efficient way of passing an array to a function. ...
No compatible source was found for this media. Java Message Service API. JDBC API. Java Persistence API. Java Naming and Directory Interface. NetBeans IDE. 8. Which is the best place to learn Java? You can use our simple and the best Java tutorial to learn Java and Advanced Java. We ...
Information recall- remember what you have learned about how to declare arrays Defining key concepts- ensure that you can name the term for the number of elements contained in an array Knowledge application- use what you know to answer questions about a specific type of array with elements of ...