Recent questions tagged java

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1 answer

JSON parsing in Java using Gson

Nov 22, 2018 in Java by 93.lynn
 • 1,600 points • 2,217 views
0 votes
1 answer

How to handle infinite loop in Java?

Nov 22, 2018 in Java by Nitesh
 • 3,080 points • 1,414 views
0 votes
1 answer

Error while connecting to Hive using Java JDBC

Nov 22, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,017 views
0 votes
1 answer

Running Java program without main method.

Nov 21, 2018 in Java by Nitesh
 • 3,080 points • 865 views
0 votes
1 answer

Can't Access Kura Web UI - HTTP ERROR: 404

Nov 21, 2018 in IoT (Internet of Things) by Bharani
 • 4,660 points • 1,711 views
0 votes
1 answer

Generate 10 fibonacci numbers.

Nov 21, 2018 in Java by Jino
 • 5,820 points • 1,286 views
+1 vote
1 answer

Error: JDWP Unable to get JNI 1.2 environment, jvm->GetEnv() return code = -2

Nov 21, 2018 in Java by Jino
 • 5,820 points • 4,907 views
0 votes
1 answer

Hadoop Java: org.apache.hadoop.conf.Configuration does not exist error

Nov 21, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 7,944 views
0 votes
1 answer

What is the differnece between public static void main string args[] and psvm string []args ?

Nov 20, 2018 in Java by Jino
 • 5,820 points • 2,481 views
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1 answer

Hadoop: "Caused by: java.lang.ClassNotFoundException" error

Nov 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 7,329 views
0 votes
1 answer

How to use Sqoop in Java Program?

Nov 19, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 2,009 views
0 votes
1 answer

Transform & De-transforming 32-bit representation of a double value

Nov 16, 2018 in IoT (Internet of Things) by Bharani
 • 4,660 points • 1,456 views
0 votes
1 answer

Convert java code to R code

Nov 16, 2018 in Data Analytics by Ali
 • 11,360 points • 4,002 views
0 votes
1 answer

Concern and cross-cutting concern in Spring AOP

Nov 16, 2018 in Java by 93.lynn
 • 1,600 points • 18,784 views
0 votes
1 answer

Serializing a lambda

Nov 16, 2018 in Java by 93.lynn
 • 1,600 points • 1,385 views
0 votes
1 answer

Which is the standard concise way to copy a file in Java?

Nov 15, 2018 in Java by Neha
 • 6,300 points • 808 views
0 votes
1 answer

How to force garbage collection in Java?

Nov 15, 2018 in Java by Neha
 • 6,300 points • 1,300 views
0 votes
1 answer

What is the maximum Java heap size of a 32-bit JVM on a 64-bit OS?

Nov 15, 2018 in Java by Neha
 • 6,300 points • 3,065 views
0 votes
1 answer

How to change selection listener in JComboBox?

Nov 15, 2018 in Java by Neha
 • 6,300 points • 1,355 views
0 votes
1 answer

Tomcat embeded with AWS Elastic Beanstalk won't listen to port 80

Nov 15, 2018 in AWS by Jino
 • 5,820 points • 2,414 views
0 votes
1 answer

Accessing connection from different class in Java / MySQL?

Nov 14, 2018 in Database by Bharani
 • 4,660 points • 2,241 views
0 votes
1 answer

Hadoop: How to copy directory from local system to hdfs using Java code?

Nov 14, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 6,118 views
0 votes
1 answer

Reason for java.lang.IncompatibleClassChangeError

Nov 14, 2018 in Java by v.liyyah
 • 1,300 points • 2,193 views
+1 vote
1 answer

Maximum memory usage for JVM

Nov 14, 2018 in Java by v.liyyah
 • 1,300 points • 1,834 views
0 votes
1 answer

What is Enum in Java?

Nov 13, 2018 in Java by Neha
 • 6,300 points • 961 views
0 votes
1 answer

How to call a method from Constructor?

Nov 13, 2018 in Java by Neha
 • 6,300 points • 7,391 views
0 votes
1 answer

Why clone() method is protected in Java?

Nov 13, 2018 in Java by 93.lynn
 • 1,600 points • 4,851 views
0 votes
1 answer

Deep copying a 2d array in Java

Nov 13, 2018 in Java by 93.lynn
 • 1,600 points • 9,073 views
0 votes
1 answer

3DES encryption/decryption in Java

Nov 8, 2018 in Java by Bharani
 • 4,660 points • 11,581 views
+1 vote
1 answer

How do i send R errors from console to standard java output?

Nov 8, 2018 in Data Analytics by Ali
 • 11,360 points • 810 views
+1 vote
1 answer

How to read R errors through JRI

Nov 8, 2018 in Data Analytics by Ali
 • 11,360 points • 1,441 views
0 votes
2 answers

How to move or copy a file in Java

Nov 2, 2018 in Java by 93.lynn
 • 1,600 points • 1,286 views
0 votes
1 answer

HTML Parsing in Java

Nov 2, 2018 in Java by 93.lynn
 • 1,600 points • 777 views
0 votes
1 answer

Why do we use threads in Java?

Nov 2, 2018 in Java by jhanvi
 • 120 points • 1,508 views
+2 votes
1 answer

Hadoop Jersey 1.x injection which is now not supported by Weblogic 12C

Oct 31, 2018 in Big Data Hadoop by Aparna
 • 140 points • 1,476 views
0 votes
2 answers

Maximum size of an Java array

Oct 31, 2018 in Java by misc.edu04
 • 1,450 points • 5,899 views
0 votes
1 answer

varargs in Java

Oct 31, 2018 in Java by misc.edu04
 • 1,450 points • 822 views
0 votes
1 answer

Validate a jwt token from cognito

Oct 31, 2018 in AWS by findingbugs
 • 3,260 points • 4,316 views
0 votes
1 answer

Create AWS s3 bucket with null region

Oct 31, 2018 in AWS by findingbugs
 • 3,260 points • 3,003 views
0 votes
1 answer

Affinity in Java thread

Oct 31, 2018 in Java by 93.lynn
 • 1,600 points • 2,182 views
0 votes
1 answer

Default Object.toString() in hashcode

Oct 31, 2018 in Java by 93.lynn
 • 1,600 points • 1,312 views
0 votes
1 answer

Hadoop Mapreduce: Error: Could not find or load main class com.sun.tools.javac.Main

Oct 30, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 3,870 views
0 votes
1 answer

How to delete hdfs folder from java app?

Oct 30, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,286 views
0 votes
2 answers

How to convert List<Integer> to int[] in Java?

Oct 30, 2018 in Java by Sushmita
 • 6,920 points • 16,764 views
0 votes
1 answer

How to determine day of week by passing specific date?

Oct 30, 2018 in Java by Sushmita
 • 6,920 points • 4,309 views
0 votes
1 answer

Error - trustAnchors parameter must be non-empty

Oct 29, 2018 in Java by Sushmita
 • 6,920 points • 804 views
0 votes
1 answer

How to parse date string to Date?

Oct 29, 2018 in Java by Sushmita
 • 6,920 points • 5,916 views
+1 vote
2 answers

On decrypting file using KMS key in Amazon S3 i get an error

Oct 26, 2018 in AWS by findingbugs
 • 3,260 points • 5,965 views
0 votes
1 answer

How to fetch a list of items (like a SQL IN clause)

Oct 26, 2018 in AWS by findingbugs
 • 3,260 points • 10,610 views
0 votes
1 answer

How can we encrypt a String in Java?

Oct 26, 2018 in Java by Daisy
 • 8,140 points • 1,591 views
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