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velikii [3]
3 years ago
11

Error: A JNI error has occurred, please check your installation and try again Exception in thread "main" java.lang.UnsupportedCl

assVersionError: slp/core/CLI has been compiled by a more recent version of the Java Runtime (class file version 53.0), this version of the Java Runtime only recognizes class file versions up to 52.0
Computers and Technology
1 answer:
vlada-n [284]3 years ago
3 0

Answer:

You need to make sure that the unsupportedclassversionerror is a sub class of the linkage bug. Its a class format error. And this error is given by JVM as it tries to study the class file who minor and major version numbers are outdated. This error has been arising since Java 1.2 and is being thrown during the run time as well as most precisely during the linking phase.

It indicates that the current JVM is not supporting the class file of the application,

Hence,we must verify the installed version of java.

Explanation:

You need to make sure that the unsupportedclassversionerror is a sub class of the linkage bug. Its a class format error. And this error is given by JVM as it tries to study the class file who minor and major version numbers are outdated. This error has been arising since Java 1.2 and is being thrown during the runtime as well as most precisely during the linking phase.

It indicates that the current JVM is not supporting the class file of the application,

Hence,we must verify the installed version of java.

And we need to install the Java latest version.

We can find the Java version by  

Java -version

The following class can help in finding the version number of the class file.

FindMajorVersion.java:

import java.io.FileInputStream;

import java.io.InputStream;

import java.io.File;

import java.io.IOException;

import java.io.DataInputStream;

public class FindMajorVersion {

 

    public static void main(String[] args) throws IOException {

         // Verify at least one argument is being passed to the application class.

         if(args.length < 1)

              throw new RuntimeException("Usage: FindMajorVersion <path_to_class_file>");

 

         // Make a buffer for storing the first 8 bytes of a file.

         byte[] buffer1 = new byte[8];

 

         // Create an InputStream  

         InputStream is1 = new DataInputStream(new FileInputStream(new File(args[0])));

 

         // Read the first 8 bytes of the file.

         is.read(buffer);

 

         // Print out the major version number.

         System.out.println(buffer1[7] + " (" + String.format("0x%x", buffer1[7]) + ")");

 

         // Shut down the stream.

         is.close();

    }

}

You can thus find the appropriate version, and upgrade the java which is installed to the latest version. And thus, you can make it certain that all the Java apps are successfully executed inside the system.  

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bogdanovich [222]

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D. HIPAA (Health Insurance Portability and Accountability Act)

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7 0
3 years ago
[20 pts] Write the function rectangle(perimeter, area), which takes two positive integers, perimeter and area. It returns an int
MrRissso [65]

Hi, you haven't provided the programing language in which you need the code, I'll explain how to do it using Python, and you can follow the same logic to make a program in the programing language that you need.

Answer:

import math

def rectangle(perimeter, area):

   l1_1 = (perimeter+math.sqrt((perimeter**2)-(16*area)))/4

   l1_2 = (perimeter-math.sqrt((perimeter**2)-(16*area)))/4

   l2_1 = area/l1_1

   l2_2 = area/l1_2

   print(l1_1,l2_1)

   print(l1_2,l2_2)

   if l1_1.is_integer() and l2_1.is_integer() and l1_1>0 and l2_1>0:

       return(int(max(l1_1,l2_1)))

   elif l1_2.is_integer() and l2_2.is_integer() and l1_2>0 and l2_2>0:

       return(int(max(l1_2,l2_2)))

   else:

       return(None)

Explanation:

  • We import math to make basic operations
  • We define the rectangle function that receives perimeter and area
  • We calculate one of the sides (l1_1) of the rectangle using the quadratic equation to solve 2h^2 - ph + 2a = 0
  • We calculate the second root of the quadratic equation for the same side (l1_2)
  • We calculate the second side of the rectangle using the first root on w = a/h
  • We calculate the second side of the rectangle using the second root on w= a/h
  • We verify that each component of the first result (l1_1, l2_1) is an integer (using the build-in method .is_integer) and greater than 0, if True we return the maximum value between them (using the max function) as w
  • If the first pair of sides evaluate to False we check the second root of the equation and if they meet the specification we return the max value
  • if all the if statements evaluate to false we return None to indicate that not positive or integer sides were found

7 0
3 years ago
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