title: List of Java class file format major version numbers?
body: <p>I saw this list of major version numbers for Java in another post:</p>
  <blockquote>
  <ul>
  <li>Java 1.2 uses major version 46</li>
  <li>Java 1.3 uses major version 47</li>
  <li>Java 1.4 uses major version 48</li>
  <li>Java 5 uses major version 49</li>
  <li>Java 6 uses major version 50</li>
  <li>Java 7 uses major version 51</li>
  <li>Java 8 uses major version 52</li>
  <li>Java 9 uses major version 53</li>
  <li>Java 10 uses major version 54</li>
  <li>Java 11 uses major version 55</li>
  <li>Java 12 uses major version 56</li>
  <li>Java 13 uses major version 57</li>
  <li>Java 14 uses major version 58</li>
  <li>Java 15 uses major version 59</li>
  <li>Java 16 uses major version 60</li>
  <li>Java 17 uses major version 61</li>
  <li>Java 18 uses major version 62</li>
  <li>Java 19 uses major version 63</li>
  </ul>
  </blockquote>
  <p>Where does this list come from? Is there a specific reference for this? Preferably something that shows minor versions too?</p>