Dr. Josh Bloch

Professor

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Biography

Josh Bloch holds a Bachelor of Science in Computer Science from Columbia University and a Ph.D. in Computer Science from Carnegie Mellon University. With decades of experience in software research and development, he joined Transarc, a CMU spinoff, as a Senior Systems Designer after completing his Ph.D. He then became a Distinguished Engineer at Sun Microsystems, where he wrote the Collections library for Java. After leaving Sun, he joined Google as the Chief Java Architect. Josh has led the design and development of countless features for the Java platform, significantly contributing to the foundations of the Java programming language and key libraries, including the Java Collections Framework, the java.math package, enums, annotations, the for-each loop, and try-with-resources, among others. He is the author of the seminal work 'Effective Java' and was the recipient of the 2001 Jolt Award.

Research Interests

Requirements for Carnegie Mellon University

Doctorate Program
Requirements
GPA Requirement
Required:3.5
GRE General
Verbal
Required:158
Quantitative
Required:149
Analytical Writing
Required:4
Overall
Required:4
Prerequisites
Bachelor's degree in Psychology or related field Research experience/publications
Application Checklist
  • Online application
  • Statement of Purpose
  • Three letters of recommendation
  • Transcripts
  • GRE scores (optional but reported in profile)
  • English Proficiency (TOEFL/IELTS/Duolingo)
Specialization Notes

Admission is extremely competitive with no strict GPA cut-offs; holistic review is used.