Removed e.printStackTrace (#361)

Author: kio-watanabe

cobj/codegen.c

@@ -5048,7 +5048,7 @@ static void joutput_init_method(struct cb_program *prog) {
   const char *prevprog;
   cb_tree l;
 
-  joutput_line("public void init()");
+  joutput_line("public void init() ");
   joutput_line("{");
   joutput_indent_level += 2;
   joutput_line("try {");
@@ -5269,8 +5269,10 @@ static void joutput_init_method(struct cb_program *prog) {
   }
 
   joutput_indent_level -= 2;
-  joutput_line("} catch(Exception e) {");
-  joutput_line("  e.printStackTrace();");
+  joutput_line("} catch(NullPointerException e) {");
+  joutput_line("  System.out.println(\"Error - NullpointerException\");");
+  joutput_line("} catch(IndexOutOfBoundsException e) {");
+  joutput_line("  System.out.println(\"Error - IndexOutOfBoundsException\");");
   joutput_line("}");
   joutput_indent_level -= 2;
   joutput_line("}\n");
@@ -6118,6 +6120,8 @@ void codegen(struct cb_program *prog, const int nested, char **program_id_list,
   joutput_line("import jp.osscons.opensourcecobol.libcobj.file.*;");
   joutput_line("import jp.osscons.opensourcecobol.libcobj.ui.*;");
   joutput_line("import java.util.Optional;");
+  joutput_line("import java.lang.NullPointerException;");
+  joutput_line("import java.lang.IndexOutOfBoundsException;");
   joutput("\n");
 
   /*if (!cb_flag_no_cobol_comment) {