how to import jquery in wordpress plugin? : i just wrote a plugin but i don know how to include js here can any body help me,i am making a form ,which will store into database

<!-- begin snippet: js hide: false console: true babel: false -->

<!-- language: lang-js -->

       jquery(document).ready(function() {
           jquery('#type_of_moving').click(function(){
           jquery(".option_wrap").css("display", "block");
           jquery('#disable_option :not(:selected)').attr('disabled','disabled');           
            var select_type = jquery('.option_wrap :selected').val();            
            jquery('#type_of_moving').val(select_type);
           }); 
           
            jquery(document).ready(function(){
              var current = 1,current_step,next_step,steps;
              steps = jquery("fieldset").length;
              jquery(".next").click(function(){
                    jquery(".previous").css("display", "block");
                current_step = jquery(this).parent();
                next_step = jquery(this).parent().next();
                next_step.show();
                current_step.hide();
                
              });
              jquery(".previous").click(function(){
                current_step = jquery(this).parent();
                next_step = jquery(this).parent().prev();
                next_step.show();
                current_step.hide();
                
              });
              
      
            });
      });

<!-- end snippet -->

