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Shell/Bash 2021-08-28 20:56:01
set java_home permanently ubuntu
#Update repo sudo apt update # Install java 8 from ubuntu repo sudo apt install openjdk-8-jdk -y #Set JAVA_HOME Path ls /usr/lib/jvm/java-8-openjdk-amd64/ export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64 echo $JAVA_HOME #Add JAVA bin directory to... Add solution -
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Java 2021-08-28 05:59:02
swap two variables in java in single line
// swap two variables in java in single line public class SwapTwoVariablesInOneLine { public static void main(String[] args) { int x = 23; int y = 75; System.out.println("Before swapping two numbers: x = " + x + " y ... Add solution -
Java 2021-08-28 03:33:01
can the method local inner class object access method local variables
/* First of all, your program compiles and works fine because you are using Java 8. If using Java 7 or lower, it won't even compile. The reason is exactly as you cited. But I will try to explain it a bit more. Consider the following code: */ public voi... Add solution -
Java 2021-08-27 19:17:02
java run jar with args
java -jar YOURJAR.jar arg1 arg2 arg3 ... Add solution -
Java 2021-08-27 14:14:01
java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.setText(java.lang.CharSequence)' on a null object reference
Null pointer try to say that the textview is null. That can happen beacause the findviewbyid is not matching with the right one on your xml. Be sure your id matches on your xml and java file Add solution -
Java 2021-08-27 12:56:02
Java program to convert decimal number to binary & count number of 1s
// decimal to binary conversion in java import java.util.Scanner; public class DecimalBinaryDemo { public static void main(String[] args) { int number, count = 0, temp; String strConvert = ""; Scanner sc = new Scanner(Sys... Add solution