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Object Oriented Programming Articles
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Troubleshooting tips
Following steps are mostly required to Troubleshoot any problem that occurred in production.As the first step, get the time frame from the user when a particular issue occurred. Get the logs for that particular time period.If logs are very large in size, use grep command to filter out errors.$ grep -o "\w*Exception" error.log | sort -r | uniq -cIt will help to get all the exceptions in error.log sorted in reversed order and give the unique result and with counts.
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How to set JAVA_HOME for Java in Windows?
Assuming you have installed Java in c:\Program Files\java\jdk directory −Right-click on 'My Computer' and select 'Properties'.Click the 'Environment variables' button under the 'Advanced' tab.Now, add the 'JAVA_HOME' variable and set the path to the c:\Program Files\java\jdk'.
Read MoreHow to Set Permanent Path of JDK in Windows?
Following are the required steps −Assuming you have installed Java in c:\Program Files\java\jdk directory −Right-click on 'My Computer' and select 'Properties'.Click the 'Environment variables' button under the 'Advanced' tab.Now, alter the 'Path' variable so that it also contains the path to the Java executable. Example, if the path is currently set to 'C:\WINDOWS\SYSTEM32', then change your path to read 'C:\WINDOWS\SYSTEM32;c:\Program Files\java\jdk\bin'.
Read MoreWhat happens in Java Program at compile time?
During compile time, java compiler (javac) takes the source file .java file and convert it to bytecode .class file.
Read MoreWhat are the differences between get() and navigate() method?
The differences between get() and navigate() methods are listed below.sl.no.get()navigate()1It is responsible for loading the page and waits until the page has finished loading.It is only responsible for redirecting the page and then returning immediately.2It cannot track the history of the browser.It tracks the browser history and can perform back and forth in the browser.ExampleWith get().import org.openqa.selenium.By; import org.openqa.selenium.Keys; import org.openqa.selenium.WebDriver; import org.openqa.selenium.WebElement; import org.openqa.selenium.chrome.ChromeDriver; import java.util.concurrent.TimeUnit; import java.util.List; public class LaunchBrw { public static void main(String[] args) { System.setProperty("webdriver.chrome.driver", "C:\Users\ghs6kor\Desktop\Java\chromedriver.exe"); WebDriver driver = new ChromeDriver(); String url = "https://www.tutorialspoint.com/index.htm"; ...
Read MoreCount divisors of n that have at-least one digit common with n in Java
We are given with a number let’s say, num and the task is to calculate the divisor of a given number thereby count the divisors of num that have at least one digit common with n.Input − num = 24Output − Count is 4Explanation − we will perform the following steps −Firstly, calculate the divisors of a given numberDivisors of 24 are − 1, 2, 3, 4, 6, 8, 12, 24Secondly, check which divisor have at least one digit that matches with the digits of a number2, 4, 12, 24 are the divisors that contain the digit that matches with ...
Read MoreHow to remove the tick marks in JavaFX XY charts?
The javafx.scene.XYChart class is the base class of all the charts that are plotted in an x-y pane. By instantiating the subclasses of this class you can create various XY charts namely − line chart, area chart, bar chart, pie chart, bubble chart, scatter chart, etc.In the XY chart, the given data points are plotted on an XY plane. Along the x and y axes, you will have the tick marks and tick labels. The tick marks represent various values with uniform intervals.Removing the tick marksThe javafx.scene.chart.Axis class (abstract) is the base class of all the axes in XY charts. ...
Read MoreHow to modify the length of the tick marks in JavaFX XY charts?
The javafx.scene.XYChart class is the base class of all the charts that are plotted in an x-y pane. By instantiating the subclasses of this class you can create various XY charts namely − line chart, area chart, bar chart, pie chart, bubble chart, scatter chart, etc.In the XY chart, the given data points are plotted on an XY plane. Along the x and y axes, you will have the tick marks and tick labels. The tick marks represent various values with uniform intervals.Changing the length of the tick marksThe javafx.scene.chart.Axis class (abstract) is the base class of all the axes ...
Read MoreHow to change the color and font of the tick marks in a JavaFX XY chart?
The javafx.scene.XYChart class is the base class of all the charts that are plotted in an x-y pane. By instantiating the subclasses of this class you can create various XY charts namely − line chart, area chart, bar chart, pie chart, bubble chart, scatter chart, etc.In the XY chart, the given data points are plotted on an XY plane. Along the x and y axes, you will have the tick marks and tick labels. The labels specify the names (or numbers) of the values.Changing the color of the tick labelsThe javafx.scene.chart.Axis class (abstract) is the base class of all the ...
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