Recent questions tagged java

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1 answer

Convert java code to R code

Nov 16, 2018 in Data Analytics by Ali
 • 11,360 points • 3,817 views
0 votes
1 answer

Concern and cross-cutting concern in Spring AOP

Nov 16, 2018 in Java by 93.lynn
 • 1,600 points • 18,420 views
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1 answer

Serializing a lambda

Nov 16, 2018 in Java by 93.lynn
 • 1,600 points • 1,213 views
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1 answer

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

Nov 15, 2018 in Java by Neha
 • 6,300 points • 674 views
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1 answer

How to force garbage collection in Java?

Nov 15, 2018 in Java by Neha
 • 6,300 points • 1,149 views
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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 • 2,921 views
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1 answer

How to change selection listener in JComboBox?

Nov 15, 2018 in Java by Neha
 • 6,300 points • 1,193 views
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1 answer

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

Nov 15, 2018 in AWS by Jino
 • 5,820 points • 2,150 views
0 votes
1 answer

Accessing connection from different class in Java / MySQL?

Nov 14, 2018 in Database by Bharani
 • 4,660 points • 1,996 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 • 5,890 views
0 votes
1 answer

Reason for java.lang.IncompatibleClassChangeError

Nov 14, 2018 in Java by v.liyyah
 • 1,300 points • 2,097 views
+1 vote
1 answer

Maximum memory usage for JVM

Nov 14, 2018 in Java by v.liyyah
 • 1,300 points • 1,703 views
0 votes
1 answer

What is Enum in Java?

Nov 13, 2018 in Java by Neha
 • 6,300 points • 874 views
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1 answer

How to call a method from Constructor?

Nov 13, 2018 in Java by Neha
 • 6,300 points • 7,160 views
0 votes
1 answer

Why clone() method is protected in Java?

Nov 13, 2018 in Java by 93.lynn
 • 1,600 points • 4,652 views
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1 answer

Deep copying a 2d array in Java

Nov 13, 2018 in Java by 93.lynn
 • 1,600 points • 8,869 views
0 votes
1 answer

3DES encryption/decryption in Java

Nov 8, 2018 in Java by Bharani
 • 4,660 points • 11,250 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 • 692 views
+1 vote
1 answer

How to read R errors through JRI

Nov 8, 2018 in Data Analytics by Ali
 • 11,360 points • 1,158 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 • 1,007 views
0 votes
1 answer

HTML Parsing in Java

Nov 2, 2018 in Java by 93.lynn
 • 1,600 points • 559 views
0 votes
1 answer

Why do we use threads in Java?

Nov 2, 2018 in Java by jhanvi
 • 120 points • 1,289 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 • 1,364 views
0 votes
2 answers

Maximum size of an Java array

Oct 31, 2018 in Java by misc.edu04
 • 1,450 points • 5,749 views
0 votes
1 answer

varargs in Java

Oct 31, 2018 in Java by misc.edu04
 • 1,450 points • 729 views
0 votes
1 answer

Validate a jwt token from cognito

Oct 31, 2018 in AWS by findingbugs
 • 3,260 points • 4,054 views
0 votes
1 answer

Create AWS s3 bucket with null region

Oct 31, 2018 in AWS by findingbugs
 • 3,260 points • 2,869 views
0 votes
1 answer

Affinity in Java thread

Oct 31, 2018 in Java by 93.lynn
 • 1,600 points • 1,926 views
0 votes
1 answer

Default Object.toString() in hashcode

Oct 31, 2018 in Java by 93.lynn
 • 1,600 points • 1,079 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 • 3,700 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 • 2,151 views
0 votes
2 answers

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

Oct 30, 2018 in Java by Sushmita
 • 6,920 points • 16,152 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 • 4,197 views
0 votes
1 answer

Error - trustAnchors parameter must be non-empty

Oct 29, 2018 in Java by Sushmita
 • 6,920 points • 717 views
0 votes
1 answer

How to parse date string to Date?

Oct 29, 2018 in Java by Sushmita
 • 6,920 points • 5,797 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 • 5,656 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 • 10,350 views
0 votes
1 answer

How can we encrypt a String in Java?

Oct 26, 2018 in Java by Daisy
 • 8,140 points • 1,456 views
0 votes
1 answer

How to run Unix shell script from Java code?

Oct 26, 2018 in Java by Sushmita
 • 6,920 points • 6,524 views
0 votes
1 answer

Java String interning

Oct 25, 2018 in Java by 93.lynn
 • 1,600 points • 874 views
0 votes
2 answers

Splitting a string between letters and digits

Oct 25, 2018 in Java by v.liyyah
 • 1,300 points • 4,365 views
0 votes
1 answer

Eclipse java debugging: source not found

Oct 25, 2018 in Java by Sushmita
 • 6,920 points • 7,674 views
0 votes
1 answer

Ignoring new fields on JSON objects using Jackson

Oct 25, 2018 in Java by Sushmita
 • 6,920 points • 3,031 views
0 votes
3 answers

How to specify KeyValueTextInputFormat Separator in Hadoop-.20 api?

Oct 24, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,966 views
0 votes
1 answer

How to access AWS Lambda environment variables using Java?

Oct 24, 2018 in AWS by findingbugs
 • 3,260 points • 2,808 views
0 votes
2 answers

Java: convert List<String> to a String

Oct 23, 2018 in Java by Daisy
 • 8,140 points • 811 views
0 votes
1 answer

How to encode the HTTP URL address in Java?

Oct 23, 2018 in Java by Daisy
 • 8,140 points • 3,397 views
0 votes
1 answer

Usage of abstract class and interface

Oct 23, 2018 in Java by code.reaper12
 • 3,500 points • 745 views
0 votes
1 answer

Optional return type of getter() in Java 8

Oct 23, 2018 in Java by anto.trigg4
 • 3,440 points • 806 views
0 votes
1 answer

Recursively delete directories in Java

Oct 23, 2018 in Java by v.liyyah
 • 1,300 points • 513 views
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