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 • 2,297 views
0 votes
1 answer

How to handle infinite loop in Java?

Nov 22, 2018 in Java by Nitesh
 • 3,080 points • 1,485 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 • 2,083 views
0 votes
1 answer

Running Java program without main method.

Nov 21, 2018 in Java by Nitesh
 • 3,080 points • 929 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 • 1,778 views
0 votes
1 answer

Generate 10 fibonacci numbers.

Nov 21, 2018 in Java by Jino
 • 5,820 points • 1,346 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 • 4,975 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 • 8,042 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 • 2,540 views
0 votes
1 answer

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

Nov 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 7,424 views
0 votes
1 answer

How to use Sqoop in Java Program?

Nov 19, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 2,055 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 • 1,524 views
0 votes
1 answer

Convert java code to R code

Nov 16, 2018 in Data Analytics by Ali
 • 11,360 points • 4,049 views
0 votes
1 answer

Concern and cross-cutting concern in Spring AOP

Nov 16, 2018 in Java by 93.lynn
 • 1,600 points • 18,899 views
0 votes
1 answer

Serializing a lambda

Nov 16, 2018 in Java by 93.lynn
 • 1,600 points • 1,458 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 • 859 views
0 votes
1 answer

How to force garbage collection in Java?

Nov 15, 2018 in Java by Neha
 • 6,300 points • 1,375 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 • 3,125 views
0 votes
1 answer

How to change selection listener in JComboBox?

Nov 15, 2018 in Java by Neha
 • 6,300 points • 1,430 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 • 2,485 views
0 votes
1 answer

Accessing connection from different class in Java / MySQL?

Nov 14, 2018 in Database by Bharani
 • 4,660 points • 2,304 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 • 6,185 views
0 votes
1 answer

Reason for java.lang.IncompatibleClassChangeError

Nov 14, 2018 in Java by v.liyyah
 • 1,300 points • 2,235 views
+1 vote
1 answer

Maximum memory usage for JVM

Nov 14, 2018 in Java by v.liyyah
 • 1,300 points • 1,892 views
0 votes
1 answer

What is Enum in Java?

Nov 13, 2018 in Java by Neha
 • 6,300 points • 1,012 views
0 votes
1 answer

How to call a method from Constructor?

Nov 13, 2018 in Java by Neha
 • 6,300 points • 7,468 views
0 votes
1 answer

Why clone() method is protected in Java?

Nov 13, 2018 in Java by 93.lynn
 • 1,600 points • 4,927 views
0 votes
1 answer

Deep copying a 2d array in Java

Nov 13, 2018 in Java by 93.lynn
 • 1,600 points • 9,159 views
0 votes
1 answer

3DES encryption/decryption in Java

Nov 8, 2018 in Java by Bharani
 • 4,660 points • 11,696 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 • 862 views
+1 vote
1 answer

How to read R errors through JRI

Nov 8, 2018 in Data Analytics by Ali
 • 11,360 points • 1,544 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 • 1,372 views
0 votes
1 answer

HTML Parsing in Java

Nov 2, 2018 in Java by 93.lynn
 • 1,600 points • 849 views
0 votes
1 answer

Why do we use threads in Java?

Nov 2, 2018 in Java by jhanvi
 • 120 points • 1,583 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 • 1,537 views
0 votes
2 answers

Maximum size of an Java array

Oct 31, 2018 in Java by misc.edu04
 • 1,450 points • 5,959 views
0 votes
1 answer

varargs in Java

Oct 31, 2018 in Java by misc.edu04
 • 1,450 points • 865 views
0 votes
1 answer

Validate a jwt token from cognito

Oct 31, 2018 in AWS by findingbugs
 • 3,260 points • 4,411 views
0 votes
1 answer

Create AWS s3 bucket with null region

Oct 31, 2018 in AWS by findingbugs
 • 3,260 points • 3,063 views
0 votes
1 answer

Affinity in Java thread

Oct 31, 2018 in Java by 93.lynn
 • 1,600 points • 2,367 views
0 votes
1 answer

Default Object.toString() in hashcode

Oct 31, 2018 in Java by 93.lynn
 • 1,600 points • 1,409 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 • 3,935 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 • 2,349 views
0 votes
2 answers

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

Oct 30, 2018 in Java by Sushmita
 • 6,920 points • 16,925 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 • 4,360 views
0 votes
1 answer

Error - trustAnchors parameter must be non-empty

Oct 29, 2018 in Java by Sushmita
 • 6,920 points • 857 views
0 votes
1 answer

How to parse date string to Date?

Oct 29, 2018 in Java by Sushmita
 • 6,920 points • 5,987 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 • 6,076 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 • 10,693 views
0 votes
1 answer

How can we encrypt a String in Java?

Oct 26, 2018 in Java by Daisy
 • 8,140 points • 1,641 views
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