Compile and generate proto

src/main/java/org/ds/Main.java

@@ -5,3 +5,5 @@ public class Main {
         System.out.println("Hello world!");
     }
 }
+
+//./protoc --proto_path=src --java_out=.\src\main\java .\src\proto\student.proto
\ No newline at end of file

src/main/java/org/ds/proto/StudentOrBuilder.java

+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: proto/student.proto
+// Protobuf Java Version: 4.28.2
+
+package org.ds.proto;
+
+public interface StudentOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:Student)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * <code>string name = 1;</code>
+   * @return The name.
+   */
+  java.lang.String getName();
+  /**
+   * <code>string name = 1;</code>
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString
+      getNameBytes();
+
+  /**
+   * <code>int32 age = 2;</code>
+   * @return The age.
+   */
+  int getAge();
+}

src/main/java/org/ds/proto/StudentOuterClass.java

+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: proto/student.proto
+// Protobuf Java Version: 4.28.2
+
+package org.ds.proto;
+
+public final class StudentOuterClass {
+  private StudentOuterClass() {}
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+      com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+      /* major= */ 4,
+      /* minor= */ 28,
+      /* patch= */ 2,
+      /* suffix= */ "",
+      StudentOuterClass.class.getName());
+  }
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistryLite registry) {
+  }
+
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions(
+        (com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_Students_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_Students_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_Student_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_Student_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor
+      getDescriptor() {
+    return descriptor;
+  }
+  private static  com.google.protobuf.Descriptors.FileDescriptor
+      descriptor;
+  static {
+    java.lang.String[] descriptorData = {
+      "\n\023proto/student.proto\"&\n\010Students\022\032\n\010stu" +
+      "dents\030\001 \003(\0132\010.Student\"$\n\007Student\022\014\n\004name" +
+      "\030\001 \001(\t\022\013\n\003age\030\002 \001(\005B\020\n\014org.ds.protoP\001b\006p" +
+      "roto3"
+    };
+    descriptor = com.google.protobuf.Descriptors.FileDescriptor
+      .internalBuildGeneratedFileFrom(descriptorData,
+        new com.google.protobuf.Descriptors.FileDescriptor[] {
+        });
+    internal_static_Students_descriptor =
+      getDescriptor().getMessageTypes().get(0);
+    internal_static_Students_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+        internal_static_Students_descriptor,
+        new java.lang.String[] { "Students", });
+    internal_static_Student_descriptor =
+      getDescriptor().getMessageTypes().get(1);
+    internal_static_Student_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+        internal_static_Student_descriptor,
+        new java.lang.String[] { "Name", "Age", });
+    descriptor.resolveAllFeaturesImmutable();
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}

src/main/java/org/ds/proto/StudentsOrBuilder.java

+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: proto/student.proto
+// Protobuf Java Version: 4.28.2
+
+package org.ds.proto;
+
+public interface StudentsOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:Students)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * <code>repeated .Student students = 1;</code>
+   */
+  java.util.List<org.ds.proto.Student> 
+      getStudentsList();
+  /**
+   * <code>repeated .Student students = 1;</code>
+   */
+  org.ds.proto.Student getStudents(int index);
+  /**
+   * <code>repeated .Student students = 1;</code>
+   */
+  int getStudentsCount();
+  /**
+   * <code>repeated .Student students = 1;</code>
+   */
+  java.util.List<? extends org.ds.proto.StudentOrBuilder> 
+      getStudentsOrBuilderList();
+  /**
+   * <code>repeated .Student students = 1;</code>
+   */
+  org.ds.proto.StudentOrBuilder getStudentsOrBuilder(
+      int index);
+}

src/proto/student.proto

+syntax = "proto3";
+
+option java_multiple_files= true;
+option java_package = "org.ds.proto";
+
+message Students{
+    repeated Student students=1;
+}
+
+message Student{
+  string name =1;
+  int32 age =2;
+}