Sage-Tips

How do you find the minimum number in an array?

For an array of ascending order the first element is the smallest element, you can get it by arr[0] (0 based indexing). If the array is sorted in descending order then the last element is the smallest element,you can get it by arr[sizeOfArray-1].

How do you find the peak point of an array?

An array element is a peak if it is NOT smaller than its neighbours….Algorithm:

1. If in the array, the first element is greater than the second or the last element is greater than the second last, print the respective element and terminate the program.
2. Else traverse the array from the second index to the second last index.

How do you find the second smallest number in an array without sorting?

Java interview Program to find second smallest number in an integer array without sorting the elements.

1. package com.instanceofjava;
2. class SecondSmallestNumber{
3. int[] x ={10,11,12,13,14,6,3,-1};
4. int small=x[0];
5. for(int i=0;i
6. {
7. if(x[i]
8. {

How do you find the smallest value?

Calculate the smallest or largest number in a range

1. Select a cell below or to the right of the numbers for which you want to find the smallest number.
2. On the Home tab, in the Editing group, click the arrow next to AutoSum. , click Min (calculates the smallest) or Max (calculates the largest), and then press ENTER.

What is peak in array?

Peak element is the element which is greater than or equal to its neighbors. For example – In Array {1,4,3,6,7,5}, 4 and 7 are peak elements. We need to return any one peak element.

What is peak finding?

What is Peak-Finding? Imagine you have a set of numbers, these numbers are stored in a one dimensional array; hence a normal array. Now you want to find one of the elements where the element peaks. Notice that we don’t want to find the highest peak, we just want to find a peak.

How to load all lines of a file into ArrayList in Java?

Since Java 7, it’s possible to load all lines of a file into an ArrayList in a very simple way: We can also specify a charset to handle different formats of text, if necessary: Files.readAllLines () opens and closes the necessary resources automatically.

How many times should I read an array list?

If you aren’t allowed to do it dtechs way, and use an ArrayList, Read it 2 times: First, to get the number of lines to declare the array, and the second time to fill it. Thanks for contributing an answer to Stack Overflow!

How do I get all lines of a file in Java?

Files.readAllLines() Since Java 7, it’s possible to load all lines of a file into an ArrayList in a very simple way: try { ArrayList lines = new ArrayList<>(Files.readAllLines(Paths.get(fileName))); } catch (IOException e) { // Handle a potential exception }. We can also specify a charset to handle different formats of text, if necessary: