i need a multiple parts of a java project answered

I am looking for a Java expert to help me with multiple parts of my project. I am not sure what the specific issues are, so I need someone who is experienced and knowledgeable in Java to provide general assistance.

Requirements:
- Intermediate level of familiarity with Java
- Able to troubleshoot and solve various Java-related issues
- Strong understanding of Java programming concepts and principles
- Excellent problem-solving skills
- Attention to detail and ability to work within tight deadlines

Expected delivery time for this project is less than 1 week.