Make Java 8 the minimum version of Java (semver major jump to v21)

.github/workflows/maven.yml

@@ -47,12 +47,12 @@ jobs:
     - name: Set up JDK 17
       uses: actions/setup-java@v4
       with:
-        java-version: '17'
+        java-version: '21'
         distribution: 'temurin'
         cache: maven
     - name: Clean target
       run: rm -r target
-    - name: Build with Maven (Java 17)
+    - name: Build with Maven (Java 21)
       run: mvn -B package --file pom.xml
     - name: Upload dist artifacts
       uses: actions/upload-artifact@v4

build/Jdbc42Task.java

@@ -331,7 +331,7 @@ private void createJdbc42File(String filename) throws BuildException {
 					}
     	    	 break;
     	  }
-    	  writer.println(line); 
+    	  writer.print(line+"\n"); 
     	  line = reader.readLine(); 
       }
       writer.close(); 

docs/MAJOR_CHANGES.md

@@ -14,7 +14,7 @@ earlier code streams. Key differences include:
    In summary, JTOpen versions now consist of three digits, `x.y.z`.
    This provides differentiation between bug fixes, new features, and breaking changes. 
 
-1. Java 7 or later is required (**breaking change**).
+1. Java 7 or later is required for version 20.x, and Java 8 or later is required for version 21.x (**breaking change**).
 
 1. Function signatures may be changed from previous versions, in an effort to add typesafety. Version
    20 will remain source-compatible, but may have binary incompatibility (**breaking change**).

docs/README.md

@@ -1,6 +1,7 @@
 
 # JTOpen, the Java library for IBM i
 
+
 JTOpen is the open source software product known as the "IBM Toolbox for Java." It is also commonly
 referred to "jt400" or simply "the toolbox." 
 In short, this package provides a set of Java classes that enable applications to integrate with IBM i.
@@ -14,7 +15,8 @@ This includes, but is not limited to:
 
 JTOpen is the open source counterpart to a version of the IBM Toolbox for Java that is delivered as part of the 5770-SS1 Licensed Program Product (LPP).
 
-Please consult [the "major changes" documentation](MAJOR_CHANGES.md) to see if any major changes impact you!
+Please see the documentation [here](https://ibm.github.io/JTOpen/). In particular, 
+Please consult [the "major changes" documentation](https://ibm.github.io/JTOpen/#/MAJOR_CHANGES) to see if any major changes impact you!
 
 ## How to provide feedback or contribute