Recent questions tagged java-string

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1 answer 3 views

java.util.arrays$arraylist cannot be cast to java.util.arraylist

Problem: How to solve : java.util.arrays$arraylist cannot be cast to java.util.arraylis HELP! I need help understanding this : java.util.arrays$arraylist cannot be cast to java.util.arraylist Can someone please help fix this, I am new in java. Anyone have ideas on what I need to do to understand this? Thanks!

asked 3 days ago Ali 6.5k points

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1 answer 3 views

java lang classcastexception cannot be cast to

Problem: Why I got the error : java lang classcastexception cannot be cast to How to fix this erro:java lang classcastexception cannot be cast to Can someone please help fix this, I am new in java(exception) : java lang classcastexception cannot be cast to Any ideas on what I need to do to fix this? Thanks!

asked 6 days ago Ali 6.5k points

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1 answer 5 views

write a class named month the class should have an int field

Problem: The class should have an int field named monthNumber that holds the number of the month. For example, January would be 1, February would be 2, and so forth. In addition, provide the following methods: • A no-arg constructor that sets the monthNumber field to 1. ... error : write a class named month the class should have an int field Any ideas on what I need to do to fix this? Thanks!

asked 6 days ago Ali 6.5k points

0 votes

1 answer 11 views

Java: Write the declaration of a string variable named title.

Problem: Hello! I just started learning programming in Java with no prior knowledge of any other programming language. Today I attempted a quiz in which there was a question that asked me to declare a string variable and name it as ‘title’. I attempted the ... follows: string title; I have not worked with strings alot. So want to know whether my answer is correct or not? Thanks!

asked Feb 25 Code Learner 7k points

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1 answer 5 views

How to convert strings to integers in java

Problem: My string contains numbers and I want to return the number it represents.

asked Feb 25 Ashty 2.3k points

0 votes

1 answer 12 views

ljava lang string cannot be cast to java lang string

Problem: I have the following and I get the error java.lang.String cannot be cast to [Ljava.lang.String; I have changed the Object[] to String[] because I faced the next error: java.lang.Object cannot be cast to [Ljava.lang.String;

asked Feb 22 Ali 6.5k points

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1 answer 5 views

How to check if two strings are equal java

Problem: I've been using the == operator in my program to compare all my strings so far. However, I ran into a bug, changed one of them into .equals() instead, and it fixed the bug. Is == bad? When should it and should it not be used? What's the difference?

asked Feb 22 Ali 6.5k points

0 votes

1 answer 14 views

How to calling python from java

Problem Hey, I need help from you. Is there any way to call python from java. I mean how can we run a python program from java.

asked Jan 16 chris jordan 2.4k points

0 votes

1 answer 21 views

How to remove the first and last character from string java

Problem: Hi there! I just got an assignment in which I had to remove the first and last character from a string in Java. I did the task using substrings. I want to know what the simplest way is to do so? Also, mention other alternatives to using the substring method. Thanks!

asked Jan 8 Code Learner 7k points

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1 answer 7 views

Count the number of time a character occur in java file

Problem: we are going to figure out how many times a word is repeated in the text file using a map interface method through a Java program. I don’t know how to count the number of occurrences of a word in a text file using a hash-map then you are at the right place to know your problem’s solution?

asked Dec 2, 2020 Mashhoodch 10.8k points

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1 answer 16 views

object has no attribute 'decode' in java

Problem: In Java, a string is an object that represents a sequence of characters or char values. There are two ways to create a String object: By string literal : Java String literal is created by using double quotes. For Example: String s=“Welcome”; By new keyword : Java String is created by using a keyword “new”. How ro fix error of attribute decode in java?

asked Dec 2, 2020 Mashhoodch 10.8k points

0 votes

1 answer 13 views

How to check if a number is a perfect square in java

I need to check if a number is a perfect squre in java.

asked Oct 5, 2020 Daniel Anderson 4k points

0 votes

1 answer 17 views

How to retrieve image from mysql database in android

I am finding difficulty retrive image from Mysql database in Andoid.

asked Oct 5, 2020 Daniel Anderson 4k points

0 votes

1 answer 21 views

Print all palindrome permutations of a string in java

I need to know how to print all palindrome permutations of a string in Java.

asked Oct 4, 2020 Daniel Anderson 4k points

0 votes

1 answer 7 views

How to print duplicate characters from string in java

I need to know how to print duplicate characters from string in Java.

asked Oct 3, 2020 Daniel Anderson 4k points

0 votes

1 answer 17 views

How to remove last character from string in javascript

I am having problem or facing the issue removing last character from string in JavaScript.

asked Sep 29, 2020 Daniel Anderson 4k points

0 votes

1 answer 17 views

How to remove particular character from string in java

I am finding the answers in several blog for removing particular character from string in java.

asked Sep 29, 2020 Daniel Anderson 4k points

0 votes

1 answer 17 views

Difference between Linked hash maps and hash maps?

Explain their usage with the help of a program.

asked Sep 28, 2020 jagruthi 680 points

0 votes

1 answer 11 views

How to find non repeated characters in a string in java

I am finding difficulty with non repeated characters in a string in Java.

asked Sep 26, 2020 Daniel Anderson 4k points

0 votes

1 answer 28 views

How to export data from database to excel sheet in java

I am finding the Java code to export data from a table in database to an Excel file. Can some one from kodlogs give me the right script?

asked Sep 26, 2020 Daniel Anderson 4k points

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